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(-) Description

Title :  X-RAY STRUCTURE OF THE COMPLEX BETWEEN STAPHYLOCOCCAL ENTEROTOXIN B, T CELL RECEPTOR AND MAJOR HISTOCOMPATIBILITY COMPLEX CLASS II
 
Authors :  K. E. J. Rodstrom, K. Elbing, K. Lindkvist-Petersson
Date :  10 Sep 13  (Deposition) - 23 Jul 14  (Release) - 13 Aug 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.90
Chains :  Asym. Unit :  A,B,C,D,E,F,G,H,I,J,K,L
Biol. Unit 1:  G,H,I,J,K,L  (1x)
Biol. Unit 2:  A,B,C,D,E,F  (1x)
Keywords :  Immune System-Toxin Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  K. E. J. Rodstrom, K. Elbing, K. Lindkvist-Petersson
Structure Of The Superantigen Staphylococcal Enterotoxin B In Complex With Tcr And Peptide-Mhc Demonstrates Absence Of Tcr-Peptide Contacts.
J. Immunol. V. 193 1998 2014
PubMed-ID: 25015819  |  Reference-DOI: 10.4049/JIMMUNOL.1401268

(-) Compounds

Molecule 1 - T CELL RECEPTOR ALPHA CHAIN
    CellT-LYMPHOCYTE
    ChainsA, G
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System VariantSTAR
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
 
Molecule 2 - T CELL RECEPTOR BETA CHAIN
    CellT-LYMPHOCYTE
    ChainsB, H
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System VariantSTAR
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
 
Molecule 3 - ENTEROTOXIN B
    ChainsC, I
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainK12
    Expression System Taxid83333
    Expression System VariantUL635
    FragmentOB-DOMAIN AND BETA-GRASP DOMAIN, RESIDUES 13-250
    Organism ScientificSTAPHYLOCOCCUS AUREUS
    Organism Taxid1280
 
Molecule 4 - HLA CLASS II HISTOCOMPATIBILITY ANTIGEN, DR ALPHA CHAIN
    ChainsD, J
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System VariantSTAR
    FragmentIMMUNOGLOBULIN DOMAIN
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymMAJOR HISTOCOMPATIBILITY COMPLEX CLASS II ALPHA CHAIN
 
Molecule 5 - MHC CLASS II ANTIGEN
    ChainsE, K
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System VariantSTAR
    FragmentIMMUNOGLOBULIN DOMAIN
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymMAJOR HISTOCOMPATIBILITY COMPLEX CLASS II BETA CHAIN
 
Molecule 6 - HEMAGGLUTININ
    ChainsF, L
    FragmentHA PEPTIDE, RESIDUES 327-339
    Organism ScientificINFLUENZA A VIRUS
    Organism Taxid11320
    SyntheticYES

 Structural Features

(-) Chains, Units

  123456789101112
Asymmetric Unit ABCDEFGHIJKL
Biological Unit 1 (1x)      GHIJKL
Biological Unit 2 (1x)ABCDEF      

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric Unit (1, 1)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1GOL-1Ligand/IonGLYCEROL
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG E:166 , GLU E:169BINDING SITE FOR RESIDUE GOL E1191

(-) SS Bonds  (17, 17)

Asymmetric Unit
No.Residues
1A:24 -A:88
2A:160 -B:171
3B:25 -B:93
4B:145 -B:210
5C:93 -C:113
6D:107 -D:163
7E:15 -E:79
8E:117 -E:173
9G:24 -G:88
10G:135 -G:185
11G:160 -H:171
12H:25 -H:93
13H:145 -H:210
14I:93 -I:113
15J:107 -J:163
16K:15 -K:79
17K:117 -K:173

(-) Cis Peptide Bonds  (12, 12)

Asymmetric Unit
No.Residues
1Ser A:8 -Pro A:9
2Ser B:9 -Pro B:10
3Tyr B:151 -Pro B:152
4Asn D:15 -Pro D:16
5Thr D:113 -Pro D:114
6Tyr E:123 -Pro E:124
7Ser G:8 -Pro G:9
8Ser H:9 -Pro H:10
9Tyr H:151 -Pro H:152
10Asn J:15 -Pro J:16
11Thr J:113 -Pro J:114
12Tyr K:123 -Pro K:124

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (25, 50)

Asymmetric Unit (25, 50)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
01UniProtVAR_033379R33K2B11_HUMANPolymorphism34716432E/KR4K
02UniProtVAR_033380R33Q2B11_HUMANPolymorphism34716432E/KR4Q
03UniProtVAR_016740Q39E2B11_HUMANPolymorphism  ---E/KQ10E
04UniProtVAR_033381S66Y2B11_HUMANPolymorphism16822820E/KS37Y
05UniProtVAR_016741G74R2B11_HUMANPolymorphism  ---E/KG45R
06UniProtVAR_033382Y76F2B11_HUMANPolymorphism1060346E/KY47F
07UniProtVAR_033383Y89S2B11_HUMANPolymorphism36074728E/KY60S
08UniProtVAR_016710L96I2B11_HUMANPolymorphism  ---E/KL67I
09UniProtVAR_016711Q99D2B11_HUMANPolymorphism  ---E/KQ70D
10UniProtVAR_033384Q99E2B11_HUMANPolymorphism17881965E/KQ70E
11UniProtVAR_033385Q99H2B11_HUMANPolymorphism17879599E/KQ70H
12UniProtVAR_016742R100A2B11_HUMANPolymorphism  ---E/KR71A
13UniProtVAR_016712R100E2B11_HUMANPolymorphism  ---E/KR71E
14UniProtVAR_033386A102G2B11_HUMANPolymorphism17878857E/KA73G
15UniProtVAR_033387A103E2B11_HUMANPolymorphism16822805E/KA74E
16UniProtVAR_016713T106N2B11_HUMANPolymorphism16822752E/KT77N
17UniProtVAR_033388Y107H2B11_HUMANPolymorphism16822512E/KY78H
18UniProtVAR_016714V114A2B11_HUMANPolymorphism17424145E/KV85A
19UniProtVAR_016715G115V2B11_HUMANPolymorphism2230810E/KG86V
20UniProtVAR_033389G164D2B11_HUMANPolymorphism1059633E/KG135D
21UniProtVAR_033390A169T2B11_HUMANPolymorphism2308768E/KA140T
22UniProtVAR_033391V171M2B11_HUMANPolymorphism701829E/KV142M
23UniProtVAR_033392Q178H2B11_HUMANPolymorphism701830E/KQ149H
24UniProtVAR_033393R195Q2B11_HUMANPolymorphism3205588E/KR166Q
25UniProtVAR_033394T210I2B11_HUMANPolymorphism17423930E/KT181I

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (25, 25)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
01UniProtVAR_033379R33K2B11_HUMANPolymorphism34716432KR4K
02UniProtVAR_033380R33Q2B11_HUMANPolymorphism34716432KR4Q
03UniProtVAR_016740Q39E2B11_HUMANPolymorphism  ---KQ10E
04UniProtVAR_033381S66Y2B11_HUMANPolymorphism16822820KS37Y
05UniProtVAR_016741G74R2B11_HUMANPolymorphism  ---KG45R
06UniProtVAR_033382Y76F2B11_HUMANPolymorphism1060346KY47F
07UniProtVAR_033383Y89S2B11_HUMANPolymorphism36074728KY60S
08UniProtVAR_016710L96I2B11_HUMANPolymorphism  ---KL67I
09UniProtVAR_016711Q99D2B11_HUMANPolymorphism  ---KQ70D
10UniProtVAR_033384Q99E2B11_HUMANPolymorphism17881965KQ70E
11UniProtVAR_033385Q99H2B11_HUMANPolymorphism17879599KQ70H
12UniProtVAR_016742R100A2B11_HUMANPolymorphism  ---KR71A
13UniProtVAR_016712R100E2B11_HUMANPolymorphism  ---KR71E
14UniProtVAR_033386A102G2B11_HUMANPolymorphism17878857KA73G
15UniProtVAR_033387A103E2B11_HUMANPolymorphism16822805KA74E
16UniProtVAR_016713T106N2B11_HUMANPolymorphism16822752KT77N
17UniProtVAR_033388Y107H2B11_HUMANPolymorphism16822512KY78H
18UniProtVAR_016714V114A2B11_HUMANPolymorphism17424145KV85A
19UniProtVAR_016715G115V2B11_HUMANPolymorphism2230810KG86V
20UniProtVAR_033389G164D2B11_HUMANPolymorphism1059633KG135D
21UniProtVAR_033390A169T2B11_HUMANPolymorphism2308768KA140T
22UniProtVAR_033391V171M2B11_HUMANPolymorphism701829KV142M
23UniProtVAR_033392Q178H2B11_HUMANPolymorphism701830KQ149H
24UniProtVAR_033393R195Q2B11_HUMANPolymorphism3205588KR166Q
25UniProtVAR_033394T210I2B11_HUMANPolymorphism17423930KT181I

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 2 (25, 25)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
01UniProtVAR_033379R33K2B11_HUMANPolymorphism34716432ER4K
02UniProtVAR_033380R33Q2B11_HUMANPolymorphism34716432ER4Q
03UniProtVAR_016740Q39E2B11_HUMANPolymorphism  ---EQ10E
04UniProtVAR_033381S66Y2B11_HUMANPolymorphism16822820ES37Y
05UniProtVAR_016741G74R2B11_HUMANPolymorphism  ---EG45R
06UniProtVAR_033382Y76F2B11_HUMANPolymorphism1060346EY47F
07UniProtVAR_033383Y89S2B11_HUMANPolymorphism36074728EY60S
08UniProtVAR_016710L96I2B11_HUMANPolymorphism  ---EL67I
09UniProtVAR_016711Q99D2B11_HUMANPolymorphism  ---EQ70D
10UniProtVAR_033384Q99E2B11_HUMANPolymorphism17881965EQ70E
11UniProtVAR_033385Q99H2B11_HUMANPolymorphism17879599EQ70H
12UniProtVAR_016742R100A2B11_HUMANPolymorphism  ---ER71A
13UniProtVAR_016712R100E2B11_HUMANPolymorphism  ---ER71E
14UniProtVAR_033386A102G2B11_HUMANPolymorphism17878857EA73G
15UniProtVAR_033387A103E2B11_HUMANPolymorphism16822805EA74E
16UniProtVAR_016713T106N2B11_HUMANPolymorphism16822752ET77N
17UniProtVAR_033388Y107H2B11_HUMANPolymorphism16822512EY78H
18UniProtVAR_016714V114A2B11_HUMANPolymorphism17424145EV85A
19UniProtVAR_016715G115V2B11_HUMANPolymorphism2230810EG86V
20UniProtVAR_033389G164D2B11_HUMANPolymorphism1059633EG135D
21UniProtVAR_033390A169T2B11_HUMANPolymorphism2308768EA140T
22UniProtVAR_033391V171M2B11_HUMANPolymorphism701829EV142M
23UniProtVAR_033392Q178H2B11_HUMANPolymorphism701830EQ149H
24UniProtVAR_033393R195Q2B11_HUMANPolymorphism3205588ER166Q
25UniProtVAR_033394T210I2B11_HUMANPolymorphism17423930ET181I

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (3, 8)

Asymmetric Unit (3, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1STAPH_STREP_TOXIN_1PS00277 Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin signature 1.ETXB_STAAU142-151
 
  2C:115-124
I:115-124
2STAPH_STREP_TOXIN_2PS00278 Staphyloccocal enterotoxin/Streptococcal pyrogenic exotoxin signature 2.ETXB_STAAU179-202
 
  2C:152-175
I:152-175
3IG_MHCPS00290 Immunoglobulins and major histocompatibility complex proteins signature.DRA_HUMAN186-192
 
  2D:161-167
J:161-167
2B11_HUMAN200-206
 
  2E:171-177
K:171-177
Biological Unit 1 (3, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1STAPH_STREP_TOXIN_1PS00277 Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin signature 1.ETXB_STAAU142-151
 
  1-
I:115-124
2STAPH_STREP_TOXIN_2PS00278 Staphyloccocal enterotoxin/Streptococcal pyrogenic exotoxin signature 2.ETXB_STAAU179-202
 
  1-
I:152-175
3IG_MHCPS00290 Immunoglobulins and major histocompatibility complex proteins signature.DRA_HUMAN186-192
 
  1-
J:161-167
2B11_HUMAN200-206
 
  1-
K:171-177
Biological Unit 2 (3, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1STAPH_STREP_TOXIN_1PS00277 Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin signature 1.ETXB_STAAU142-151
 
  1C:115-124
-
2STAPH_STREP_TOXIN_2PS00278 Staphyloccocal enterotoxin/Streptococcal pyrogenic exotoxin signature 2.ETXB_STAAU179-202
 
  1C:152-175
-
3IG_MHCPS00290 Immunoglobulins and major histocompatibility complex proteins signature.DRA_HUMAN186-192
 
  1D:161-167
-
2B11_HUMAN200-206
 
  1E:171-177
-

(-) Exons   (4, 7)

Asymmetric Unit (4, 7)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.6aENST000003832596aENSE00001839042HSCHR6_MHC_QBL:32365090-32365280191DRA_HUMAN1-28281-
J:3-3
-
1
1.7bENST000003832597bENSE00001719010HSCHR6_MHC_QBL:32367694-32367939246DRA_HUMAN28-110832D:4-85
J:3-85
82
83
1.8cENST000003832598cENSE00001737588HSCHR6_MHC_QBL:32368431-32368712282DRA_HUMAN110-204952D:85-179
J:85-179
95
95
1.9aENST000003832599aENSE00001770912HSCHR6_MHC_QBL:32369002-32369167166DRA_HUMAN204-254512D:179-181
J:179-180
3
2
1.10bENST0000038325910bENSE00001925700HSCHR6_MHC_QBL:32369906-32370300395DRA_HUMAN-00--

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:192
 aligned with TCA_HUMAN | P01848 from UniProtKB/Swiss-Prot  Length:142

    Alignment length:201
                                                                                                                                         1                                                                                           
                                     -         -         -         -         -         -         -         -         -         -         1        11        21        31        41        51        61        71        81        91 
            TCA_HUMAN     - -------------------------------------------------------------------------------------------------------------PNIQNPDPAVYQLRDSKSSDKSVCLFTDFDSQTNVSQSKDSDVYITDKTVLDMRSMDFKSNSAVAWSNKSDFACANAFNNSIIPEDTFFPSP  92
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee..eeeee....eeeeeee...eeeeeeeee.....eeeeee...eeeee..eeeeee....eeeeee...hhhhheeeeeeeee.......eee...eeeeee........eee...........eeeee............--..eee...ee..----....eeeee.---...................... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4c56 A   3 IQVEQSPPDLILQEGANSTLRCNFSDSVNNLQWFHQNPWGQLINLFYIPSGTKQNGRLSATTVATERYSLLYISSSQTTDSGVYFCAVDSATSGTYKYIFGTGTRLKVLANIQNPDPAVYQLRDSKSSDKSVCLFTDFDSQTNVSQSK--DVYITDKCVLDM----FKSNSAVAWS---DFACANAFNNSIIPEDTFFPSP 203
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       | -|      162 |    |172     | 182       192       202 
                                                                                                                                                                             150  |        164  169      178 182                     
                                                                                                                                                                                153                                                  

Chain B from PDB  Type:PROTEIN  Length:240
 aligned with TRBC2_HUMAN | A0A5B9 from UniProtKB/Swiss-Prot  Length:178

    Alignment length:240
                                                                                                                                            1                                                                                                                               
                                     -         -         -         -         -         -         -         -         -         -         -  |      8        18        28        38        48        58        68        78        88        98       108       118       128
          TRBC2_HUMAN     - ----------------------------------------------------------------------------------------------------------------DLKNVFPPEVAVFEPSEAEISHTQKATLVCLATGFYPDHVELSWWVNGKEVHSGVSTDPQPLKEQPALNDSRYCLSSRLRVSATFWQNPRNHFRCQVQFYGLSENDEWTQDRAKPVTQIVSAEAWGRA 128
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..eeee..eeeee....eeeeeee.....eeeeeee.....eeeeeee......ee......eee.........eee.........eeeeeee......eee...eeeeee.hhhhh...eeeee....hhhhhh.eeeeeeeeeee....eeeeeee..ee....eee....ee.........eeeeeeeeeehhhhh.....eeeeeee...................eeeeee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4c56 B   4 GGITQSPKYLFRKEGQNVTLSCEQNLNHDAMYWYRQDPGQGLRLIYYSQIVNDFQKGDIAEGYSVSREKKESFPLTVTSAQKNPTAFYLCASSSRSSYEQYFGPGTRLTVTEDLKNVFPPEVAVFEPSEAEISHTQKATLVCLATGFYPDHVELSWWVNGKEVHSGVCTDPQPLKEQPALNDSRYALSSRLRVSATFWQDPRNHFRCQVQFYGLSENDEWTQDRAKPVTQIVSAEAWGRA 243
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243

Chain C from PDB  Type:PROTEIN  Length:227
 aligned with ETXB_STAAU | P01552 from UniProtKB/Swiss-Prot  Length:266

    Alignment length:235
                                    38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258     
           ETXB_STAAU    29 SQPDPKPDELHKSSKFTGLMENMKVLYDDNHVSAINVKSIDQFLYFDLIYSIKDTKLGNYDNVRVEFKNKDLADKYKDKYVDVFGANYYYQCYFSKKTNDINSHQTDKRKTCMYGGVTEHNGNQLDKYRSITVRVFEDGKNLLSFDVQTNKKKVTAQELDYLTRHYLVKNKKLYEFNNSPYETGYIKFIENENSFWYDMMPAPGDKFDQSKYLMMYNDNKMVDSKDVKIEVYLTT 263
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhh.........hhhhhh......eeeeee.........eeee...........eeeee..hhhhhhhh....eeeee..............--------..eeeee..eee....eeeeeeeeeeeeee..eeeeeeeeeeee.eeehhhhhhhhhhhhhhh............eeeeeeee..eeeeee.........hhhhhhhhhh...eee...eeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------------------STAPH_STRE---------------------------STAPH_STREP_TOXIN_2     ------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4c56 C   2 SQPDPKPDELHKSSKFTGLMENMKVLYDDNHVSAINVKSIDQFLYFDLIYSIKDTKLGNYDNVRVEFKNKDLADKYKDKYVDVFGANYYYQCYFSKKTN--------KRKTCMYGGVTEHNGNQLDKYRSITVRVFEDGKNLLSFDVQTNKKKVTAQELDYLTRHYLVKNKKLYEFNNSPYETGYIKFIENENSFWYDMMPAPGDKFDQSKYLMMYNDNKMVDSKDVKIEVYLTT 236
                                    11        21        31        41        51        61        71        81        91        |-       111       121       131       141       151       161       171       181       191       201       211       221       231     
                                                                                                                            100      109                                                                                                                               

Chain C from PDB  Type:PROTEIN  Length:227
 aligned with Q5MAA8_STAAU | Q5MAA8 from UniProtKB/TrEMBL  Length:250

    Alignment length:235
                                    22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242     
         Q5MAA8_STAAU    13 SQPDPKPDELHKSSKFTGLMENMKVLYDDNHVSAINVKSIDQFLYFDLIYSIKDTKLGNYDNVRVEFKNKDLADKYKDKYVDVFGANYYYQCYFSKKTNDINSHQTDKRKTCMYGGVTEHNGNQLDKYRSITVRVFEDGKNLLSFDVQTNKKKVTAQELDYLTRHYLVKNKKLYEFNNSPYETGYIKFIENENSFWYDMMPAPGDKFDQSKYLMMYNDNKMVDSKDVKIEVYLTT 247
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhh.........hhhhhh......eeeeee.........eeee...........eeeee..hhhhhhhh....eeeee..............--------..eeeee..eee....eeeeeeeeeeeeee..eeeeeeeeeeee.eeehhhhhhhhhhhhhhh............eeeeeeee..eeeeee.........hhhhhhhhhh...eee...eeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4c56 C   2 SQPDPKPDELHKSSKFTGLMENMKVLYDDNHVSAINVKSIDQFLYFDLIYSIKDTKLGNYDNVRVEFKNKDLADKYKDKYVDVFGANYYYQCYFSKKTN--------KRKTCMYGGVTEHNGNQLDKYRSITVRVFEDGKNLLSFDVQTNKKKVTAQELDYLTRHYLVKNKKLYEFNNSPYETGYIKFIENENSFWYDMMPAPGDKFDQSKYLMMYNDNKMVDSKDVKIEVYLTT 236
                                    11        21        31        41        51        61        71        81        91        |-       111       121       131       141       151       161       171       181       191       201       211       221       231     
                                                                                                                            100      109                                                                                                                               

Chain D from PDB  Type:PROTEIN  Length:178
 aligned with DRA_HUMAN | P01903 from UniProtKB/Swiss-Prot  Length:254

    Alignment length:178
                                    38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198        
            DRA_HUMAN    29 EHVIIQAEFYLNPDQSGEFMFDFDGDEIFHVDMAKKETVWRLEEFGRFASFEAQGALANIAVDKANLEIMTKRSNYTPITNVPPEVTVLTNSPVELREPNVLICFIDKFTPPVVNVTWLRNGKPVTTGVSETVFLPREDHLFRKFHYLPFLPSTEDVYDCRVEHWGLDEPLLKHWEFD 206
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeeeeee...eeeeeeee..eeeeeee....eeee.hhhhhh.....hhhhhhhhhhhhhhhhhhhhhh..........eeeeee.........eeeeeeeeee.....eeeeee..ee.....ee...ee.....eeeeeeeee.......eeeeee.......eeeee... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------IG_MHC -------------- PROSITE (2)
           Transcript 1 (1) ---------------------------------------------------------------------------------Exon 1.8c  PDB: D:85-179 UniProt: 110-204                                                      -- Transcript 1 (1)
           Transcript 1 (2) Exon 1.7b  PDB: D:4-85 UniProt: 28-110 [INCOMPLETE]                               ---------------------------------------------------------------------------------------------1.9 Transcript 1 (2)
                 4c56 D   4 EHVIIQAEFYLNPDQSGEFMFDFDGDEIFHVDMAKKETVWRLEEFGRFASFEAQGALANIAVDKANLEIMTKRSNYTPITNVPPEVTVLTNSPVELREPNVLICFIDKFTPPVVNVTWLRNGKPVTTGVSETVFLPREDHLFRKFHYLPFLPSTEDVYDCRVEHWGLDEPLLKHWEFD 181
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173        

Chain E from PDB  Type:PROTEIN  Length:184
 aligned with 2B11_HUMAN | P04229 from UniProtKB/Swiss-Prot  Length:266

    Alignment length:189
                                    40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210         
           2B11_HUMAN    31 DTRPRFLWQLKFECHFFNGTERVRLLERCIYNQEESVRFDSDVGEYRAVTELGRPDAEYWNSQKDLLEQRRAAVDTYCRHNYGVGESFTVQRRVEPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFRNGQEEKAGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRA 219
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeeeeeeeeee....eeeeeeeeee..eeeeeee.....eee.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...........eeeeee..-----..eeeeeeeeee.....eeeeee..ee....eee...ee.....eeeeeeeee......eeeeeee.......eeeeee. Sec.struct. author
             SAPs(SNPs) (1) --K-----E--------------------------Y-------R-F------------S------I--DA-GE--NH------AV------------------------------------------------D----T-M------H----------------Q--------------I--------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) --Q-----------------------------------------------------------------EE----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
             SAPs(SNPs) (3) --------------------------------------------------------------------H------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs) (3)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------IG_MHC ------------- PROSITE (2)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4c56 E   2 DTRPRFLWQLKFECHFFNGTERVRLLERCIYNQEESVRFDSDVGEYRAVTELGRPDAEYWNSQKDLLEQRRAAVDTYCRHNYGVGESFTVQRRVEPKVTVYPSK-----HHNLLVCSVSGFYPGSIEVRWFRNGQEEKAGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRA 190
                                    11        21        31        41        51        61        71        81        91       101   |   111       121       131       141       151       161       171       181         
                                                                                                                                 105   111                                                                               

Chain E from PDB  Type:PROTEIN  Length:184
 aligned with A9JJF6_HUMAN | A9JJF6 from UniProtKB/TrEMBL  Length:258

    Alignment length:189
                                    40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210         
         A9JJF6_HUMAN    31 DTRPRFLWQLKFECHFFNGTERVRLLERCIYNQEESVRFDSDVGEYRAVTELGRPDAEYWNSQKDLLEQRRAAVDTYCRHNYGVGESFTVQRRVEPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFRNGQEEKAGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRA 219
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeeeeeeeeee....eeeeeeeeee..eeeeeee.....eee.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...........eeeeee..-----..eeeeeeeeee.....eeeeee..ee....eee...ee.....eeeeeeeee......eeeeeee.......eeeeee. Sec.struct. author
             SAPs(SNPs) (1) --K-----E--------------------------Y-------R-F------------S------I--DA-GE--NH------AV------------------------------------------------D----T-M------H----------------Q--------------I--------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) --Q-----------------------------------------------------------------EE----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
             SAPs(SNPs) (3) --------------------------------------------------------------------H------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs) (3)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4c56 E   2 DTRPRFLWQLKFECHFFNGTERVRLLERCIYNQEESVRFDSDVGEYRAVTELGRPDAEYWNSQKDLLEQRRAAVDTYCRHNYGVGESFTVQRRVEPKVTVYPSK-----HHNLLVCSVSGFYPGSIEVRWFRNGQEEKAGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRA 190
                                    11        21        31        41        51        61        71        81        91       101   |   111       121       131       141       151       161       171       181         
                                                                                                                                 105   111                                                                               

Chain F from PDB  Type:PROTEIN  Length:13
 aligned with HEMA_I68A0 | P03437 from UniProtKB/Swiss-Prot  Length:566

    Alignment length:13
                                   331   
           HEMA_I68A0   322 PKYVKQNTLKLAT 334
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author ............. Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE ------------- PROSITE
                 Transcript ------------- Transcript
                 4c56 F   1 PKYVKQNTLKLAT  13
                                    10   

Chain F from PDB  Type:PROTEIN  Length:13
 aligned with HEMA_I89A7 | Q03909 from UniProtKB/Swiss-Prot  Length:571

    Alignment length:13
                                   336   
           HEMA_I89A7   327 PKYVKQNTLKLAT 339
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author ............. Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE ------------- PROSITE
                 Transcript ------------- Transcript
                 4c56 F   1 PKYVKQNTLKLAT  13
                                    10   

Chain G from PDB  Type:PROTEIN  Length:198
 aligned with TCA_HUMAN | P01848 from UniProtKB/Swiss-Prot  Length:142

    Alignment length:200
                                                                                                                                         1                                                                                          
                                     -         -         -         -         -         -         -         -         -         -         1        11        21        31        41        51        61        71        81        91
            TCA_HUMAN     - -------------------------------------------------------------------------------------------------------------PNIQNPDPAVYQLRDSKSSDKSVCLFTDFDSQTNVSQSKDSDVYITDKTVLDMRSMDFKSNSAVAWSNKSDFACANAFNNSIIPEDTFFPS  91
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee..eeeee....eeeeeee...eeeeeeeee.....eeeeee...eeeee..eeeeee....eeeeee...hhhhheeeeeeeee.......eee...eeeeee........eeee.........eeeeeeee..............eee...ee...--....eeeeeee.....hhhhhh............. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4c56 G   3 IQVEQSPPDLILQEGANSTLRCNFSDSVNNLQWFHQNPWGQLINLFYIPSGTKQNGRLSATTVATERYSLLYISSSQTTDSGVYFCAVDSATSGTYKYIFGTGTRLKVLANIQNPDPAVYQLRDSKSSDKSVCLFTDFDSQTNVSQSKDSDVYITDKCVLDMR--DFKSNSAVAWSNKSDFACANAFNNSIIPEDTFFPS 202
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162  |  | 172       182       192       202
                                                                                                                                                                                            165  |                                  
                                                                                                                                                                                               168                                  

Chain H from PDB  Type:PROTEIN  Length:239
 aligned with TRBC2_HUMAN | A0A5B9 from UniProtKB/Swiss-Prot  Length:178

    Alignment length:239
                                                                                                                                           1                                                                                                                               
                                     -         -         -         -         -         -         -         -         -         -         - |       9        19        29        39        49        59        69        79        89        99       109       119         
          TRBC2_HUMAN     - ---------------------------------------------------------------------------------------------------------------DLKNVFPPEVAVFEPSEAEISHTQKATLVCLATGFYPDHVELSWWVNGKEVHSGVSTDPQPLKEQPALNDSRYCLSSRLRVSATFWQNPRNHFRCQVQFYGLSENDEWTQDRAKPVTQIVSAEAWGRA 128
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeee..eeeee....eeeeeee.....eeeeeee.....eeeeeee......ee......eee.........eee........eeeeeeee......eee...eeeeee.hhhhh...eeeee..hhhhhhhh.eeeeeeeeeee....eeeeeee..eee...eee....ee.........eeeeeeeeeehhhhh....eeeeeeee...................eeeeeee... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4c56 H   5 GITQSPKYLFRKEGQNVTLSCEQNLNHDAMYWYRQDPGQGLRLIYYSQIVNDFQKGDIAEGYSVSREKKESFPLTVTSAQKNPTAFYLCASSSRSSYEQYFGPGTRLTVTEDLKNVFPPEVAVFEPSEAEISHTQKATLVCLATGFYPDHVELSWWVNGKEVHSGVCTDPQPLKEQPALNDSRYALSSRLRVSATFWQDPRNHFRCQVQFYGLSENDEWTQDRAKPVTQIVSAEAWGRA 243
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234         

Chain I from PDB  Type:PROTEIN  Length:227
 aligned with ETXB_STAAU | P01552 from UniProtKB/Swiss-Prot  Length:266

    Alignment length:236
                                    38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258      
           ETXB_STAAU    29 SQPDPKPDELHKSSKFTGLMENMKVLYDDNHVSAINVKSIDQFLYFDLIYSIKDTKLGNYDNVRVEFKNKDLADKYKDKYVDVFGANYYYQCYFSKKTNDINSHQTDKRKTCMYGGVTEHNGNQLDKYRSITVRVFEDGKNLLSFDVQTNKKKVTAQELDYLTRHYLVKNKKLYEFNNSPYETGYIKFIENENSFWYDMMPAPGDKFDQSKYLMMYNDNKMVDSKDVKIEVYLTTK 264
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...................hhhhhhhhh...eeeeee.........eeee...........eeeee..hhhhhhhh....eeeee.............---------..eeeee..eee.........eeeeeeeee..eeeeeeeeee...eeehhhhhhhhhhhhhhh..........eeeeeeeeee..eeeeee.........hhhhhhhhhh...eee...eeeeeeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------------------STAPH_STRE---------------------------STAPH_STREP_TOXIN_2     -------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4c56 I   2 SQPDPKPDELHKSSKFTGLMENMKVLYDDNHVSAINVKSIDQFLYFDLIYSIKDTKLGNYDNVRVEFKNKDLADKYKDKYVDVFGANYYYQCYFSKKT---------KRKTCMYGGVTEHNGNQLDKYRSITVRVFEDGKNLLSFDVQTNKKKVTAQELDYLTRHYLVKNKKLYEFNNSPYETGYIKFIENENSFWYDMMPAPGDKFDQSKYLMMYNDNKMVDSKDVKIEVYLTTK 237
                                    11        21        31        41        51        61        71        81        91       | -       111       121       131       141       151       161       171       181       191       201       211       221       231      
                                                                                                                            99       109                                                                                                                                

Chain I from PDB  Type:PROTEIN  Length:227
 aligned with Q5MAA8_STAAU | Q5MAA8 from UniProtKB/TrEMBL  Length:250

    Alignment length:236
                                    22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242      
         Q5MAA8_STAAU    13 SQPDPKPDELHKSSKFTGLMENMKVLYDDNHVSAINVKSIDQFLYFDLIYSIKDTKLGNYDNVRVEFKNKDLADKYKDKYVDVFGANYYYQCYFSKKTNDINSHQTDKRKTCMYGGVTEHNGNQLDKYRSITVRVFEDGKNLLSFDVQTNKKKVTAQELDYLTRHYLVKNKKLYEFNNSPYETGYIKFIENENSFWYDMMPAPGDKFDQSKYLMMYNDNKMVDSKDVKIEVYLTTK 248
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...................hhhhhhhhh...eeeeee.........eeee...........eeeee..hhhhhhhh....eeeee.............---------..eeeee..eee.........eeeeeeeee..eeeeeeeeee...eeehhhhhhhhhhhhhhh..........eeeeeeeeee..eeeeee.........hhhhhhhhhh...eee...eeeeeeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4c56 I   2 SQPDPKPDELHKSSKFTGLMENMKVLYDDNHVSAINVKSIDQFLYFDLIYSIKDTKLGNYDNVRVEFKNKDLADKYKDKYVDVFGANYYYQCYFSKKT---------KRKTCMYGGVTEHNGNQLDKYRSITVRVFEDGKNLLSFDVQTNKKKVTAQELDYLTRHYLVKNKKLYEFNNSPYETGYIKFIENENSFWYDMMPAPGDKFDQSKYLMMYNDNKMVDSKDVKIEVYLTTK 237
                                    11        21        31        41        51        61        71        81        91       | -       111       121       131       141       151       161       171       181       191       201       211       221       231      
                                                                                                                            99       109                                                                                                                                

Chain J from PDB  Type:PROTEIN  Length:178
 aligned with DRA_HUMAN | P01903 from UniProtKB/Swiss-Prot  Length:254

    Alignment length:178
                                    37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197        
            DRA_HUMAN    28 EEHVIIQAEFYLNPDQSGEFMFDFDGDEIFHVDMAKKETVWRLEEFGRFASFEAQGALANIAVDKANLEIMTKRSNYTPITNVPPEVTVLTNSPVELREPNVLICFIDKFTPPVVNVTWLRNGKPVTTGVSETVFLPREDHLFRKFHYLPFLPSTEDVYDCRVEHWGLDEPLLKHWEF 205
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeeeeee...eeeeeeee..eeeeeee....eeee...hhhhhh..hhhhhhhhhhhhhhhhhhhhhhh..........eeeeee.........eeeeeeeeee.....eeeeee..ee.....ee...ee.....eeeeeeeee.......eeeeee.......eeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) --------------------------------------------------------------------------------------------------------------------------------------------------------------IG_MHC ------------- PROSITE (2)
           Transcript 1 (1) 1---------------------------------------------------------------------------------Exon 1.8c  PDB: J:85-179 UniProt: 110-204                                                      - Transcript 1 (1)
           Transcript 1 (2) Exon 1.7b  PDB: J:3-85 UniProt: 28-110                                             ---------------------------------------------------------------------------------------------1. Transcript 1 (2)
                 4c56 J   3 EEHVIIQAEFYLNPDQSGEFMFDFDGDEIFHVDMAKKETVWRLEEFGRFASFEAQGALANIAVDKANLEIMTKRSNYTPITNVPPEVTVLTNSPVELREPNVLICFIDKFTPPVVNVTWLRNGKPVTTGVSETVFLPREDHLFRKFHYLPFLPSTEDVYDCRVEHWGLDEPLLKHWEF 180
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172        

Chain K from PDB  Type:PROTEIN  Length:189
 aligned with 2B11_HUMAN | P04229 from UniProtKB/Swiss-Prot  Length:266

    Alignment length:189
                                    40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210         
           2B11_HUMAN    31 DTRPRFLWQLKFECHFFNGTERVRLLERCIYNQEESVRFDSDVGEYRAVTELGRPDAEYWNSQKDLLEQRRAAVDTYCRHNYGVGESFTVQRRVEPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFRNGQEEKAGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRA 219
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeeeeeeeeee....eeeeeeeeee..eeeeeee.....eee....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..........eeeeee.........eeeeeeeeee.....eeeeee..ee....eee...ee.....eeeeeeeee......eeeeeee.......eeeeee. Sec.struct. author
             SAPs(SNPs) (1) --K-----E--------------------------Y-------R-F------------S------I--DA-GE--NH------AV------------------------------------------------D----T-M------H----------------Q--------------I--------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) --Q-----------------------------------------------------------------EE----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
             SAPs(SNPs) (3) --------------------------------------------------------------------H------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs) (3)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------IG_MHC ------------- PROSITE (2)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4c56 K   2 DTRPRFLWQLKFECHFFNGTERVRLLERCIYNQEESVRFDSDVGEYRAVTELGRPDAEYWNSQKDLLEQRRAAVDTYCRHNYGVGESFTVQRRVEPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFRNGQEEKAGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRA 190
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181         

Chain K from PDB  Type:PROTEIN  Length:189
 aligned with A9JJF6_HUMAN | A9JJF6 from UniProtKB/TrEMBL  Length:258

    Alignment length:189
                                    40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210         
         A9JJF6_HUMAN    31 DTRPRFLWQLKFECHFFNGTERVRLLERCIYNQEESVRFDSDVGEYRAVTELGRPDAEYWNSQKDLLEQRRAAVDTYCRHNYGVGESFTVQRRVEPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFRNGQEEKAGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRA 219
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeeeeeeeeee....eeeeeeeeee..eeeeeee.....eee....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..........eeeeee.........eeeeeeeeee.....eeeeee..ee....eee...ee.....eeeeeeeee......eeeeeee.......eeeeee. Sec.struct. author
             SAPs(SNPs) (1) --K-----E--------------------------Y-------R-F------------S------I--DA-GE--NH------AV------------------------------------------------D----T-M------H----------------Q--------------I--------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) --Q-----------------------------------------------------------------EE----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
             SAPs(SNPs) (3) --------------------------------------------------------------------H------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs) (3)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4c56 K   2 DTRPRFLWQLKFECHFFNGTERVRLLERCIYNQEESVRFDSDVGEYRAVTELGRPDAEYWNSQKDLLEQRRAAVDTYCRHNYGVGESFTVQRRVEPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFRNGQEEKAGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRA 190
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181         

Chain L from PDB  Type:PROTEIN  Length:13
 aligned with HEMA_I68A0 | P03437 from UniProtKB/Swiss-Prot  Length:566

    Alignment length:13
                                   331   
           HEMA_I68A0   322 PKYVKQNTLKLAT 334
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author ............. Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE ------------- PROSITE
                 Transcript ------------- Transcript
                 4c56 L   1 PKYVKQNTLKLAT  13
                                    10   

Chain L from PDB  Type:PROTEIN  Length:13
 aligned with HEMA_I89A7 | Q03909 from UniProtKB/Swiss-Prot  Length:571

    Alignment length:13
                                   336   
           HEMA_I89A7   327 PKYVKQNTLKLAT 339
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author ............. Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE ------------- PROSITE
                 Transcript ------------- Transcript
                 4c56 L   1 PKYVKQNTLKLAT  13
                                    10   

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 4C56)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4C56)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4C56)

(-) Gene Ontology  (67, 135)

Asymmetric Unit(hide GO term definitions)
Chain A,G   (TCA_HUMAN | P01848)
biological process
    GO:0031295    T cell costimulation    The process of providing, via surface-bound receptor-ligand pairs, a second, antigen-independent, signal in addition to that provided by the T cell receptor to augment T cell activation.
    GO:0050852    T cell receptor signaling pathway    A series of molecular signals initiated by the cross-linking of an antigen receptor on a T cell.
    GO:0050776    regulation of immune response    Any process that modulates the frequency, rate or extent of the immune response, the immunological reaction of an organism to an immunogenic stimulus.
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

Chain B,H   (TRBC2_HUMAN | A0A5B9)
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

Chain C,I   (Q5MAA8_STAAU | Q5MAA8)
biological process
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

Chain C,I   (ETXB_STAAU | P01552)
biological process
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

Chain D,J   (DRA_HUMAN | P01903)
molecular function
    GO:0023026    MHC class II protein complex binding    Interacting selectively and non-covalently with the class II major histocompatibility complex.
    GO:0032395    MHC class II receptor activity    Combining with an MHC class II protein complex and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity.
    GO:0042605    peptide antigen binding    Interacting selectively and non-covalently with an antigen peptide.
biological process
    GO:0031295    T cell costimulation    The process of providing, via surface-bound receptor-ligand pairs, a second, antigen-independent, signal in addition to that provided by the T cell receptor to augment T cell activation.
    GO:0050852    T cell receptor signaling pathway    A series of molecular signals initiated by the cross-linking of an antigen receptor on a T cell.
    GO:0019882    antigen processing and presentation    The process in which an antigen-presenting cell expresses antigen (peptide or lipid) on its cell surface in association with an MHC protein complex.
    GO:0019886    antigen processing and presentation of exogenous peptide antigen via MHC class II    The process in which an antigen-presenting cell expresses a peptide antigen of exogenous origin on its cell surface in association with an MHC class II protein complex. The peptide antigen is typically, but not always, processed from a whole protein.
    GO:0002504    antigen processing and presentation of peptide or polysaccharide antigen via MHC class II    The process in which an antigen-presenting cell expresses antigen (peptide or polysaccharide) on its cell surface in association with an MHC class II protein complex.
    GO:0050890    cognition    The operation of the mind by which an organism becomes aware of objects of thought or perception; it includes the mental activities associated with thinking, learning, and memory.
    GO:0006955    immune response    Any immune system process that functions in the calibrated response of an organism to a potential internal or invasive threat.
    GO:0002376    immune system process    Any process involved in the development or functioning of the immune system, an organismal system for calibrated responses to potential internal or invasive threats.
    GO:0060333    interferon-gamma-mediated signaling pathway    A series of molecular signals initiated by the binding of interferon-gamma to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription. Interferon gamma is the only member of the type II interferon found so far.
    GO:0002503    peptide antigen assembly with MHC class II protein complex    The binding of a peptide to the antigen binding groove of an MHC class II protein complex.
    GO:0002506    polysaccharide assembly with MHC class II protein complex    The binding of a polysaccharide to the antigen binding groove of an MHC class II protein complex.
    GO:0016032    viral process    A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle.
cellular component
    GO:0012507    ER to Golgi transport vesicle membrane    The lipid bilayer surrounding a vesicle transporting substances from the endoplasmic reticulum to the Golgi.
    GO:0005794    Golgi apparatus    A compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack. The Golgi apparatus differs from the endoplasmic reticulum in often having slightly thicker membranes, appearing in sections as a characteristic shallow semicircle so that the convex side (cis or entry face) abuts the endoplasmic reticulum, secretory vesicles emerging from the concave side (trans or exit face). In vertebrate cells there is usually one such organelle, while in invertebrates and plants, where they are known usually as dictyosomes, there may be several scattered in the cytoplasm. The Golgi apparatus processes proteins produced on the ribosomes of the rough endoplasmic reticulum; such processing includes modification of the core oligosaccharides of glycoproteins, and the sorting and packaging of proteins for transport to a variety of cellular locations. Three different regions of the Golgi are now recognized both in terms of structure and function: cis, in the vicinity of the cis face, trans, in the vicinity of the trans face, and medial, lying between the cis and trans regions.
    GO:0000139    Golgi membrane    The lipid bilayer surrounding any of the compartments of the Golgi apparatus.
    GO:0042613    MHC class II protein complex    A transmembrane protein complex composed of an MHC class II alpha and MHC class II beta chain, and with or without a bound peptide or polysaccharide antigen.
    GO:0009986    cell surface    The external part of the cell wall and/or plasma membrane.
    GO:0030669    clathrin-coated endocytic vesicle membrane    The lipid bilayer surrounding a clathrin-coated endocytic vesicle.
    GO:0030666    endocytic vesicle membrane    The lipid bilayer surrounding an endocytic vesicle.
    GO:0005783    endoplasmic reticulum    The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
    GO:0005789    endoplasmic reticulum membrane    The lipid bilayer surrounding the endoplasmic reticulum.
    GO:0005768    endosome    A vacuole to which materials ingested by endocytosis are delivered.
    GO:0010008    endosome membrane    The lipid bilayer surrounding an endosome.
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0071556    integral component of lumenal side of endoplasmic reticulum membrane    The component of the endoplasmic reticulum membrane consisting of the gene products that penetrate only the lumenal side of the membrane.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0005887    integral component of plasma membrane    The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0031902    late endosome membrane    The lipid bilayer surrounding a late endosome.
    GO:0005765    lysosomal membrane    The lipid bilayer surrounding the lysosome and separating its contents from the cell cytoplasm.
    GO:0005764    lysosome    A small lytic vacuole that has cell cycle-independent morphology and is found in most animal cells and that contains a variety of hydrolases, most of which have their maximal activities in the pH range 5-6. The contained enzymes display latency if properly isolated. About 40 different lysosomal hydrolases are known and lysosomes have a great variety of morphologies and functions.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
    GO:0032588    trans-Golgi network membrane    The lipid bilayer surrounding any of the compartments that make up the trans-Golgi network.
    GO:0030658    transport vesicle membrane    The lipid bilayer surrounding a transport vesicle.

Chain E,K   (A9JJF6_HUMAN | A9JJF6)
biological process
    GO:0019882    antigen processing and presentation    The process in which an antigen-presenting cell expresses antigen (peptide or lipid) on its cell surface in association with an MHC protein complex.
    GO:0002504    antigen processing and presentation of peptide or polysaccharide antigen via MHC class II    The process in which an antigen-presenting cell expresses antigen (peptide or polysaccharide) on its cell surface in association with an MHC class II protein complex.
    GO:0006955    immune response    Any immune system process that functions in the calibrated response of an organism to a potential internal or invasive threat.
    GO:0002376    immune system process    Any process involved in the development or functioning of the immune system, an organismal system for calibrated responses to potential internal or invasive threats.
cellular component
    GO:0042613    MHC class II protein complex    A transmembrane protein complex composed of an MHC class II alpha and MHC class II beta chain, and with or without a bound peptide or polysaccharide antigen.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

Chain E,K   (2B11_HUMAN | P04229)
molecular function
    GO:0023026    MHC class II protein complex binding    Interacting selectively and non-covalently with the class II major histocompatibility complex.
    GO:0042605    peptide antigen binding    Interacting selectively and non-covalently with an antigen peptide.
    GO:0001618    virus receptor activity    Combining with a virus component and mediating entry of the virus into the cell.
biological process
    GO:0031295    T cell costimulation    The process of providing, via surface-bound receptor-ligand pairs, a second, antigen-independent, signal in addition to that provided by the T cell receptor to augment T cell activation.
    GO:0050852    T cell receptor signaling pathway    A series of molecular signals initiated by the cross-linking of an antigen receptor on a T cell.
    GO:0042088    T-helper 1 type immune response    An immune response which is associated with resistance to intracellular bacteria, fungi, and protozoa, and pathological conditions such as arthritis, and which is typically orchestrated by the production of particular cytokines by T-helper 1 cells, most notably interferon-gamma, IL-2, and lymphotoxin.
    GO:0019882    antigen processing and presentation    The process in which an antigen-presenting cell expresses antigen (peptide or lipid) on its cell surface in association with an MHC protein complex.
    GO:0019886    antigen processing and presentation of exogenous peptide antigen via MHC class II    The process in which an antigen-presenting cell expresses a peptide antigen of exogenous origin on its cell surface in association with an MHC class II protein complex. The peptide antigen is typically, but not always, processed from a whole protein.
    GO:0002504    antigen processing and presentation of peptide or polysaccharide antigen via MHC class II    The process in which an antigen-presenting cell expresses antigen (peptide or polysaccharide) on its cell surface in association with an MHC class II protein complex.
    GO:0016045    detection of bacterium    The series of events in which a stimulus from a bacterium is received and converted into a molecular signal.
    GO:0002455    humoral immune response mediated by circulating immunoglobulin    An immune response dependent upon secreted immunoglobulin. An example of this process is found in Mus musculus.
    GO:0006955    immune response    Any immune system process that functions in the calibrated response of an organism to a potential internal or invasive threat.
    GO:0002376    immune system process    Any process involved in the development or functioning of the immune system, an organismal system for calibrated responses to potential internal or invasive threats.
    GO:0002381    immunoglobulin production involved in immunoglobulin mediated immune response    The appearance of immunoglobulin due to biosynthesis or secretion following a cellular stimulus during an immune response, resulting in an increase in its intracellular or extracellular levels.
    GO:0002437    inflammatory response to antigenic stimulus    An inflammatory response to an antigenic stimulus, which can be include any number of T cell or B cell epitopes.
    GO:0060333    interferon-gamma-mediated signaling pathway    A series of molecular signals initiated by the binding of interferon-gamma to a receptor on the surface of a cell, and ending with regulation of a downstream cellular process, e.g. transcription. Interferon gamma is the only member of the type II interferon found so far.
    GO:0042130    negative regulation of T cell proliferation    Any process that stops, prevents or reduces the rate or extent of T cell proliferation.
    GO:0032689    negative regulation of interferon-gamma production    Any process that stops, prevents, or reduces the frequency, rate, or extent of interferon-gamma production. Interferon-gamma is also known as type II interferon.
    GO:0035774    positive regulation of insulin secretion involved in cellular response to glucose stimulus    Any process that increases the frequency, rate or extent of the regulated release of insulin that contributes to the response of a cell to glucose.
    GO:0051262    protein tetramerization    The formation of a protein tetramer, a macromolecular structure consisting of four noncovalently associated identical or nonidentical subunits.
    GO:2001179    regulation of interleukin-10 secretion    Any process that modulates the frequency, rate or extent of interleukin-10 secretion.
    GO:0032673    regulation of interleukin-4 production    Any process that modulates the frequency, rate, or extent of interleukin-4 production.
    GO:0046718    viral entry into host cell    The process that occurs after viral attachment by which a virus, or viral nucleic acid, breaches the plasma membrane or cell envelope and enters the host cell. The process ends when the viral nucleic acid is released into the host cell cytoplasm.
    GO:0016032    viral process    A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle.
cellular component
    GO:0012507    ER to Golgi transport vesicle membrane    The lipid bilayer surrounding a vesicle transporting substances from the endoplasmic reticulum to the Golgi.
    GO:0005794    Golgi apparatus    A compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack. The Golgi apparatus differs from the endoplasmic reticulum in often having slightly thicker membranes, appearing in sections as a characteristic shallow semicircle so that the convex side (cis or entry face) abuts the endoplasmic reticulum, secretory vesicles emerging from the concave side (trans or exit face). In vertebrate cells there is usually one such organelle, while in invertebrates and plants, where they are known usually as dictyosomes, there may be several scattered in the cytoplasm. The Golgi apparatus processes proteins produced on the ribosomes of the rough endoplasmic reticulum; such processing includes modification of the core oligosaccharides of glycoproteins, and the sorting and packaging of proteins for transport to a variety of cellular locations. Three different regions of the Golgi are now recognized both in terms of structure and function: cis, in the vicinity of the cis face, trans, in the vicinity of the trans face, and medial, lying between the cis and trans regions.
    GO:0000139    Golgi membrane    The lipid bilayer surrounding any of the compartments of the Golgi apparatus.
    GO:0042613    MHC class II protein complex    A transmembrane protein complex composed of an MHC class II alpha and MHC class II beta chain, and with or without a bound peptide or polysaccharide antigen.
    GO:0030669    clathrin-coated endocytic vesicle membrane    The lipid bilayer surrounding a clathrin-coated endocytic vesicle.
    GO:0030666    endocytic vesicle membrane    The lipid bilayer surrounding an endocytic vesicle.
    GO:0005783    endoplasmic reticulum    The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
    GO:0005789    endoplasmic reticulum membrane    The lipid bilayer surrounding the endoplasmic reticulum.
    GO:0005768    endosome    A vacuole to which materials ingested by endocytosis are delivered.
    GO:0010008    endosome membrane    The lipid bilayer surrounding an endosome.
    GO:0009897    external side of plasma membrane    The leaflet of the plasma membrane that faces away from the cytoplasm and any proteins embedded or anchored in it or attached to its surface.
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0071556    integral component of lumenal side of endoplasmic reticulum membrane    The component of the endoplasmic reticulum membrane consisting of the gene products that penetrate only the lumenal side of the membrane.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0031902    late endosome membrane    The lipid bilayer surrounding a late endosome.
    GO:0005765    lysosomal membrane    The lipid bilayer surrounding the lysosome and separating its contents from the cell cytoplasm.
    GO:0005764    lysosome    A small lytic vacuole that has cell cycle-independent morphology and is found in most animal cells and that contains a variety of hydrolases, most of which have their maximal activities in the pH range 5-6. The contained enzymes display latency if properly isolated. About 40 different lysosomal hydrolases are known and lysosomes have a great variety of morphologies and functions.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
    GO:0032588    trans-Golgi network membrane    The lipid bilayer surrounding any of the compartments that make up the trans-Golgi network.
    GO:0030658    transport vesicle membrane    The lipid bilayer surrounding a transport vesicle.

Chain F,L   (HEMA_I68A0 | P03437)
molecular function
    GO:0046789    host cell surface receptor binding    Interacting selectively and non-covalently with a receptor on the host cell surface.
biological process
    GO:0075512    clathrin-dependent endocytosis of virus by host cell    Any clathrin-mediated endocytosis that is involved in the uptake of a virus into a host cell. Begins by invagination of a specific region of the host cell plasma membrane around the bound virus to form a clathrin-coated pit, which then pinches off to form a clathrin-coated endocytic vesicle containing the virus.
    GO:0075509    endocytosis involved in viral entry into host cell    Any endocytosis that is involved in the uptake of a virus into a host cell.
    GO:0039654    fusion of virus membrane with host endosome membrane    Fusion of a virus membrane with a host endosome membrane. Occurs after internalization of the virus through the endosomal pathway, and results in release of the virus contents into the cell.
    GO:0019064    fusion of virus membrane with host plasma membrane    Fusion of a viral membrane with the host cell membrane during viral entry. Results in release of the virion contents into the cytoplasm.
    GO:0039663    membrane fusion involved in viral entry into host cell    Merging of the virion membrane and a host membrane (host plasma membrane or host organelle membrane) that is involved in the uptake of a virus into a host cell.
    GO:0019065    receptor-mediated endocytosis of virus by host cell    Any receptor-mediated endocytosis that is involved in the uptake of a virus into a host cell; successive instances of virus endocytosis result in the accumulation of virus particles within the cell.
    GO:0046718    viral entry into host cell    The process that occurs after viral attachment by which a virus, or viral nucleic acid, breaches the plasma membrane or cell envelope and enters the host cell. The process ends when the viral nucleic acid is released into the host cell cytoplasm.
    GO:0016032    viral process    A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle.
    GO:0019062    virion attachment to host cell    The process by which a virion protein binds to molecules on the host cellular surface or host cell surface projection.
cellular component
    GO:0033644    host cell membrane    Double layer of lipid molecules as it encloses host cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins. The host is defined as the larger of the organisms involved in a symbiotic interaction.
    GO:0020002    host cell plasma membrane    The plasma membrane surrounding a host cell.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0019031    viral envelope    The lipid bilayer of a virion that surrounds the protein capsid. May also contain glycoproteins.
    GO:0019012    virion    The complete fully infectious extracellular virus particle.
    GO:0055036    virion membrane    The lipid bilayer surrounding a virion.

Chain F,L   (HEMA_I89A7 | Q03909)
molecular function
    GO:0046789    host cell surface receptor binding    Interacting selectively and non-covalently with a receptor on the host cell surface.
biological process
    GO:0075512    clathrin-dependent endocytosis of virus by host cell    Any clathrin-mediated endocytosis that is involved in the uptake of a virus into a host cell. Begins by invagination of a specific region of the host cell plasma membrane around the bound virus to form a clathrin-coated pit, which then pinches off to form a clathrin-coated endocytic vesicle containing the virus.
    GO:0075509    endocytosis involved in viral entry into host cell    Any endocytosis that is involved in the uptake of a virus into a host cell.
    GO:0039654    fusion of virus membrane with host endosome membrane    Fusion of a virus membrane with a host endosome membrane. Occurs after internalization of the virus through the endosomal pathway, and results in release of the virus contents into the cell.
    GO:0019064    fusion of virus membrane with host plasma membrane    Fusion of a viral membrane with the host cell membrane during viral entry. Results in release of the virion contents into the cytoplasm.
    GO:0039663    membrane fusion involved in viral entry into host cell    Merging of the virion membrane and a host membrane (host plasma membrane or host organelle membrane) that is involved in the uptake of a virus into a host cell.
    GO:0019065    receptor-mediated endocytosis of virus by host cell    Any receptor-mediated endocytosis that is involved in the uptake of a virus into a host cell; successive instances of virus endocytosis result in the accumulation of virus particles within the cell.
    GO:0046718    viral entry into host cell    The process that occurs after viral attachment by which a virus, or viral nucleic acid, breaches the plasma membrane or cell envelope and enters the host cell. The process ends when the viral nucleic acid is released into the host cell cytoplasm.
    GO:0016032    viral process    A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle.
    GO:0019062    virion attachment to host cell    The process by which a virion protein binds to molecules on the host cellular surface or host cell surface projection.
cellular component
    GO:0033644    host cell membrane    Double layer of lipid molecules as it encloses host cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins. The host is defined as the larger of the organisms involved in a symbiotic interaction.
    GO:0020002    host cell plasma membrane    The plasma membrane surrounding a host cell.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0019031    viral envelope    The lipid bilayer of a virion that surrounds the protein capsid. May also contain glycoproteins.
    GO:0019012    virion    The complete fully infectious extracellular virus particle.
    GO:0055036    virion membrane    The lipid bilayer surrounding a virion.

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(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        2B11_HUMAN | P042291aqd 1bx2 1dlh 1fyt 1hxy 1jwm 1jws 1jwu 1kg0 1klg 1klu 1lo5 1pyw 1r5i 1seb 1sje 1sjh 1t5w 1t5x 2fse 2g9h 2iam 2ian 2icw 2ipk 2oje 2xn9 3l6f 3pdo 3pgc 3pgd 3qxa 3qxd 3s4s 3s5l 4aen 4ah2 4e41 4fqx 4gbx 4i5b 4ov5 4x5w 4x5x 5v4n
        DRA_HUMAN | P019031a6a 1aqd 1bx2 1d5m 1d5x 1d5z 1d6e 1dlh 1fv1 1fyt 1h15 1hqr 1hxy 1j8h 1jwm 1jws 1jwu 1kg0 1klg 1klu 1lo5 1pyw 1r5i 1seb 1sje 1sjh 1t5w 1t5x 1ymm 1zgl 2fse 2g9h 2iam 2ian 2icw 2ipk 2oje 2q6w 2seb 2wbj 2xn9 3c5j 3l6f 3o6f 3pdo 3pgc 3pgd 3qxa 3qxd 3s4s 3s5l 3t0e 4aen 4ah2 4e41 4fqx 4gbx 4h1l 4h25 4h26 4i5b 4is6 4mcy 4mcz 4md0 4md4 4md5 4mdi 4mdj 4ov5 4x5w 4x5x 4y19 4y1a 5jlz 5lax 5v4m 5v4n
        ETXB_STAAU | P015521d5m 1d5x 1d5z 1d6e 1goz 1sbb 1se3 1se4 1seb 2seb 3gp7 3r8b 3seb 3w2d 4rgm 4rgn 4rgo
        HEMA_I68A0 | P034371eo8 1fyt 1ha0 1hgd 1hge 1hgf 1hgg 1hgh 1hgi 1hgj 1htm 1j8h 1ken 1kg0 1pyw 1qfu 1qu1 2hmg 2vir 2vis 2vit 2viu 2ypg 3eym 3hmg 3s4s 3s5l 3vun 3ztj 4hmg 5hmg
        HEMA_I89A7 | Q039091hxy 2ipk 2xn9
        TCA_HUMAN | P018481ao7 1bd2 1fyt 1j8h 1kgc 1mi5 1oga 1qrn 1qsf 1ymm 1zgl 2ak4 2bnq 2bnr 2bnu 2cdf 2cdg 2esv 2eyr 2eys 2eyt 2f53 2f54 2gj6 2ial 2iam 2ian 2nx5 2p5e 2p5w 2po6 2pye 2pyf 2vlj 2vlk 2vlm 2vlr 2xn9 2xna 3arb 3ard 3are 3arf 3arg 3d39 3dx9 3dxa 3ffc 3gsn 3he7 3hg1 3kpr 3kps 3kxf 3o4l 3o6f 3o8x 3o9w 3pwp 3qdg 3qdj 3qdm 3qeq 3qeu 3qib 3qjf 3qux 3scm 3sda 3sdc 3sdd 3sdx 3sjv 3skn 3t0e 3tn0 3tvm 4apq 4g8e 4g8f 4irs 4jfd 4jfe 4jff 4jfh 4jrx 4jry 4mvb 4mxq 4n0c 4n5e 4nhu 4onh 4p4k 4prh 4pri 4prp 4udt 4udu 4ww1 4ww2 4wwk 4x6b 4x6c 4x6d 4y16 4y2d 4y4f 4y4h 4y4k 4zdh 4zez 5brz 5bs0 5c07 5c08 5c09 5c0a 5c0b 5c0c 5eu6 5fk9 5fka 5hhm 5hho 5hyj 5ks9 5ksa 5ksb
        TRBC2_HUMAN | A0A5B91ao7 1bd2 2eyr 2eys 2eyt 3kxf 3o6f 3o8x 3o9w 3qux 3t0e 3ta3 3tvm 4mvb 4mxq 4n0c 4n5e 4nhu 4onh 4p4k 4udt 4udu 4ww1 4ww2 4wwk 4y16 4y2d 4y4f 4y4h 4y4k 4zak 4zez 5brz 5bs0 5c07 5c08 5c09 5c0a 5c0b 5c0c 5eu6 5fk9 5fka 5hhm 5hho 5hyj 5ks9 5ksa 5ksb

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 4C56)