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(-) Description

Title :  CRYSTAL STRUCTURE OF A HUMAN VGAMMA9/VDELTA2 T CELL RECEPTOR
 
Authors :  T. J. Allison, C. C. Winter, J. J. Fournie, M. Bonneville, D. N. Garboczi
Date :  16 Jan 01  (Deposition) - 20 Jun 01  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.12
Chains :  Asym. Unit :  A,B,C,D,E,F,G,H
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  C,D  (1x)
Biol. Unit 3:  E,F  (1x)
Biol. Unit 4:  G,H  (1x)
Biol. Unit 5:  A (1x),B (1x),E (1x),F (1x)
Biol. Unit 6:  C (1x),D (1x),G (1x),H (1x)
Keywords :  Ig Domain, T Cell Receptor, Tcr, Gdtcr, Immune System (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  T. J. Allison, C. C. Winter, J. J. Fournie, M. Bonneville, D. N. Garboczi
Structure Of A Human Gammadelta T-Cell Antigen Receptor.
Nature V. 411 820 2001
PubMed-ID: 11459064  |  Reference-DOI: 10.1038/35081115
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - GAMMA-DELTA T-CELL RECEPTOR
    Chains: A, C, E, G
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PLM1
    Expression System Strain: BL21(DE3)PUBS
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: VD2, DD3, JD1, CD
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: T-CELL RECEPTOR DELTA CHAIN
 
Molecule 2 - GAMMA-DELTA T-CELL RECEPTOR
    Chains: B, D, F, H
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PLM1
    Expression System Strain: BL21(DE3)PUBS
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: VG9, JGP, CG1
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: T-CELL RECEPTOR GAMMA CHAIN

 Structural Features

(-) Chains, Units

  12345678
Asymmetric Unit : ABCDEFGH
Biological Unit 1 (1x): AB      
Biological Unit 2 (1x):   CD    
Biological Unit 3 (1x):     EF  
Biological Unit 4 (1x):       GH
Biological Unit 5 (1x): A (1x)B (1x)  E (1x)F (1x)  
Biological Unit 6 (1x):   C (1x)D (1x)  G (1x)H (1x)

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1SO42Ligand/IonSULFATE ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1SO4-1Ligand/IonSULFATE ION
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
1SO41Ligand/IonSULFATE ION
Biological Unit 3 (1, 1)
No.NameCountTypeFull Name
1SO41Ligand/IonSULFATE ION
Biological Unit 4 (0, 0)
No.NameCountTypeFull Name
1SO4-1Ligand/IonSULFATE ION
Biological Unit 5 (1, 1)
No.NameCountTypeFull Name
1SO41Ligand/IonSULFATE ION
Biological Unit 6 (1, 1)
No.NameCountTypeFull Name
1SO41Ligand/IonSULFATE ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELYS F:60 , SER F:66 , GLY F:67BINDING SITE FOR RESIDUE SO4 F 1001
2AC2SOFTWARELYS D:60 , SER D:66 , GLY D:67BINDING SITE FOR RESIDUE SO4 D 1002

(-) SS Bonds  (16, 16)

Asymmetric Unit
No.Residues
1A:23 -A:92
2A:140 -A:191
3B:23 -B:97
4B:154 -B:210
5C:23 -C:92
6C:140 -C:191
7D:23 -D:97
8D:154 -D:210
9E:23 -E:92
10E:140 -E:191
11F:23 -F:97
12F:154 -F:210
13G:23 -G:92
14G:140 -G:191
15H:23 -H:97
16H:154 -H:210

(-) Cis Peptide Bonds  (4, 4)

Asymmetric Unit
No.Residues
1Tyr A:146 -Pro A:147
2Tyr C:146 -Pro C:147
3Tyr E:146 -Pro E:147
4Tyr G:146 -Pro G:147

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1HXM)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1HXM)

(-) Exons   (0, 0)

(no "Exon" information available for 1HXM)

(-) 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:206
 aligned with TRDC_HUMAN | B7Z8K6 from UniProtKB/Swiss-Prot  Length:153

    Alignment length:206
                                                                                                                                                    1                                                                                     
                                     -         -         -         -         -         -         -         -         -         -         -         -|       10        20        30        40        50        60        70        80      
           TRDC_HUMAN     - ------------------------------------------------------------------------------------------------------------------------SQPHTKPSVFVMKNGTNVACLVKEFYPKDIRINLVSSKKITEFDPAIVISPSGKYNAVKLGKYEDSNSVTCSVQHDNKTVHSTDFE  86
               SCOP domains d1hxma1 A:1-120 T-cell antigen receptor                                                                                 d1hxma2 A:121-206 T-cell antigen receptor                                              SCOP domains
               CATH domains 1hxmA01 A:1-121 Immunoglobulins                                                                                          1hxmA02 A:122-206 Immunoglobulins                                                     CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eee...eeeee....eeeeeee...hhhhheeeeeeee.....eeeee...ee.......eeeeeehhh.eeeeee...hhhh.eeeeeeee............ee...eeeeee.........eeeeeee..eeeeeee.......eeeee...eeee...eeee.....eeeeeeeee......eeeeee..eeee.hhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1hxm A   1 AIELVPEHQTVPVSIGVPATLRCSMKGEAIGNYYINWYRKTQGNTMTFIYREKDIYGPGFKDNFQGDIDIAKNLAVLKILAPSERDEGSYYCACDTLGMGGEYTDKLIFGKGTRVTVEPRSQPHTKPSVFVMKNGTNVACLVKEFYPKDIRINLVSSKKITEFDPAIVISPSGKYNAVKLGKYEDSNSVTCSVQHDNKTVHSTDFE 206
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200      


Chain B from PDB  Type:PROTEIN  Length:230
 aligned with TRGC2_HUMAN | P03986 from UniProtKB/Swiss-Prot  Length:189

    Alignment length:230
                                                                                                                                                      1                                                                                                           
                                     -         -         -         -         -         -         -         -         -         -         -         -  |      8        18        28        38        48        58        68        78        88        98       108
          TRGC2_HUMAN     - --------------------------------------------------------------------------------------------------------------------------DKQLDADVSPKPTIFLPSIAETKLQKAGTYLCLLEKFFPDIIKIHWQEKKSNTILGSQEGNTMKTNDTYMKFSWLTVPEESLDKEHRCIVRHENNKNGIDQEIIFPPI 108
               SCOP domains d1hxmb1 B:1-123 T-cell antigen receptor                                                                                    d1hxmb2 B:124-230 T-cell antigen receptor                                                                   SCOP domains
               CATH domains 1hxmB01 B:1-125 Immunoglobulins                                                                                              1hxmB02 B:126-230 Immunoglobulins                                                                         CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eee....eeeee....eeeeeeee........eeeeee......eeeeee.....eee........eeeeee....eeeeee...hhhhheeeeeeeeee......eeeee...eeeeee.................hhhhhhh...eeeeeeeeee....eeeeeee.........ee...ee....eeeeeeeee.hhhhhh.eeeeeee..hhhhh.eeeee... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1hxm B   1 AGHLEQPQISSTKTLSKTARLECVVSGITISATSVYWYRERPGEVIQFLVSISYDGTVRKESGIPSGKFEVDRIPETSTSTLTIHNVEKQDIATYYCALWEAQQELGKKIKVFGPGTKLIITDKQLDADVSPKPTIFLPSIAETKLQKAGTYLCLLEKFFPDVIKIHWEEKKSNTILGSQEGNTMKTNDTYMKFSWLTVPEKSLDKEHRCIVRHENNKNGVDQEIIFPPI 230
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230


Chain C from PDB  Type:PROTEIN  Length:206
 aligned with TRDC_HUMAN | B7Z8K6 from UniProtKB/Swiss-Prot  Length:153

    Alignment length:206
                                                                                                                                                    1                                                                                     
                                     -         -         -         -         -         -         -         -         -         -         -         -|       10        20        30        40        50        60        70        80      
           TRDC_HUMAN     - ------------------------------------------------------------------------------------------------------------------------SQPHTKPSVFVMKNGTNVACLVKEFYPKDIRINLVSSKKITEFDPAIVISPSGKYNAVKLGKYEDSNSVTCSVQHDNKTVHSTDFE  86
               SCOP domains d1hxmc1 C:1-120 T-cell antigen receptor                                                                                 d1hxmc2 C:121-206 T-cell antigen receptor                                              SCOP domains
               CATH domains 1hxmC01 C:1-121 Immunoglobulins                                                                                          1hxmC02 C:122-206 Immunoglobulins                                                     CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee...eeeee....eeeeeeee.........eeeeee.....eeeee...ee.......eeeeee....eeeeee...hhhh.eeeeeee.............ee...eeeeee.........eeeeeee..eeeeeee.......eeeee...eeee...eeee.....eeeeeeeee......eeeeee..eeee.hhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1hxm C   1 AIELVPEHQTVPVSIGVPATLRCSMKGEAIGNYYINWYRKTQGNTMTFIYREKDIYGPGFKDNFQGDIDIAKNLAVLKILAPSERDEGSYYCACDTLGMGGEYTDKLIFGKGTRVTVEPRSQPHTKPSVFVMKNGTNVACLVKEFYPKDIRINLVSSKKITEFDPAIVISPSGKYNAVKLGKYEDSNSVTCSVQHDNKTVHSTDFE 206
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200      


Chain D from PDB  Type:PROTEIN  Length:230
 aligned with TRGC2_HUMAN | P03986 from UniProtKB/Swiss-Prot  Length:189

    Alignment length:230
                                                                                                                                                      1                                                                                                           
                                     -         -         -         -         -         -         -         -         -         -         -         -  |      8        18        28        38        48        58        68        78        88        98       108
          TRGC2_HUMAN     - --------------------------------------------------------------------------------------------------------------------------DKQLDADVSPKPTIFLPSIAETKLQKAGTYLCLLEKFFPDIIKIHWQEKKSNTILGSQEGNTMKTNDTYMKFSWLTVPEESLDKEHRCIVRHENNKNGIDQEIIFPPI 108
               SCOP domains d1hxmd1 D:1-123 T-cell antigen receptor                                                                                    d1hxmd2 D:124-230 T-cell antigen receptor                                                                   SCOP domains
               CATH domains 1hxmD01 D:1-125 Immunoglobulins                                                                                              1hxmD02 D:126-230 Immunoglobulins                                                                         CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eee....eeeee....eeeeeeee........eeeeee......eeeeee.....eee........ee..ee....eeeeee...hhhhheeeeeeeeee......eeeee...eeeeee.................hhhhhhh...eeeeeeeeee....eeeeeee.........ee...ee....eeeeeeeee.hhhhhh.eeeeeee..hhhhh.eeeee... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1hxm D   1 AGHLEQPQISSTKTLSKTARLECVVSGITISATSVYWYRERPGEVIQFLVSISYDGTVRKESGIPSGKFEVDRIPETSTSTLTIHNVEKQDIATYYCALWEAQQELGKKIKVFGPGTKLIITDKQLDADVSPKPTIFLPSIAETKLQKAGTYLCLLEKFFPDVIKIHWEEKKSNTILGSQEGNTMKTNDTYMKFSWLTVPEKSLDKEHRCIVRHENNKNGVDQEIIFPPI 230
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230


Chain E from PDB  Type:PROTEIN  Length:206
 aligned with TRDC_HUMAN | B7Z8K6 from UniProtKB/Swiss-Prot  Length:153

    Alignment length:206
                                                                                                                                                    1                                                                                     
                                     -         -         -         -         -         -         -         -         -         -         -         -|       10        20        30        40        50        60        70        80      
           TRDC_HUMAN     - ------------------------------------------------------------------------------------------------------------------------SQPHTKPSVFVMKNGTNVACLVKEFYPKDIRINLVSSKKITEFDPAIVISPSGKYNAVKLGKYEDSNSVTCSVQHDNKTVHSTDFE  86
               SCOP domains d1hxme1 E:1-120 T-cell antigen receptor                                                                                 d1hxme2 E:121-206 T-cell antigen receptor                                              SCOP domains
               CATH domains 1hxmE01 E:1-121 Immunoglobulins                                                                                          1hxmE02 E:122-206 Immunoglobulins                                                     CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee...eeeee....eeeeeeee......eeeeeeeee.....eeeee...ee.......eeeeeehhh.eeeeee...hhhh.eeeeeeeee...........ee...eeeeee.........eeeeeee..eeeeeee.......eeeee...eeee...eeee.....eeeeeeeee......eeeeee..eeee.hhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1hxm E   1 AIELVPEHQTVPVSIGVPATLRCSMKGEAIGNYYINWYRKTQGNTMTFIYREKDIYGPGFKDNFQGDIDIAKNLAVLKILAPSERDEGSYYCACDTLGMGGEYTDKLIFGKGTRVTVEPRSQPHTKPSVFVMKNGTNVACLVKEFYPKDIRINLVSSKKITEFDPAIVISPSGKYNAVKLGKYEDSNSVTCSVQHDNKTVHSTDFE 206
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200      


Chain F from PDB  Type:PROTEIN  Length:230
 aligned with TRGC2_HUMAN | P03986 from UniProtKB/Swiss-Prot  Length:189

    Alignment length:230
                                                                                                                                                      1                                                                                                           
                                     -         -         -         -         -         -         -         -         -         -         -         -  |      8        18        28        38        48        58        68        78        88        98       108
          TRGC2_HUMAN     - --------------------------------------------------------------------------------------------------------------------------DKQLDADVSPKPTIFLPSIAETKLQKAGTYLCLLEKFFPDIIKIHWQEKKSNTILGSQEGNTMKTNDTYMKFSWLTVPEESLDKEHRCIVRHENNKNGIDQEIIFPPI 108
               SCOP domains d1hxmf1 F:1-123 T-cell antigen receptor                                                                                    d1hxmf2 F:124-230 T-cell antigen receptor                                                                   SCOP domains
               CATH domains 1hxmF01 F:1-125 Immunoglobulins                                                                                              1hxmF02 F:126-230 Immunoglobulins                                                                         CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eee....eeeee....eeeeeeee..hhhhh.eeeeee......eeeeee.....eee........eeeeee....eeeeee...hhhhheeeeeeeeee......eeeee...eeeeee.................hhhhhhh...eeeeeeeeee....eeeeeee.........ee...ee....eeeeeeeee.hhhhhh.eeeeeee..hhhhh.eeeee... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1hxm F   1 AGHLEQPQISSTKTLSKTARLECVVSGITISATSVYWYRERPGEVIQFLVSISYDGTVRKESGIPSGKFEVDRIPETSTSTLTIHNVEKQDIATYYCALWEAQQELGKKIKVFGPGTKLIITDKQLDADVSPKPTIFLPSIAETKLQKAGTYLCLLEKFFPDVIKIHWEEKKSNTILGSQEGNTMKTNDTYMKFSWLTVPEKSLDKEHRCIVRHENNKNGVDQEIIFPPI 230
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230


Chain G from PDB  Type:PROTEIN  Length:206
 aligned with TRDC_HUMAN | B7Z8K6 from UniProtKB/Swiss-Prot  Length:153

    Alignment length:206
                                                                                                                                                    1                                                                                     
                                     -         -         -         -         -         -         -         -         -         -         -         -|       10        20        30        40        50        60        70        80      
           TRDC_HUMAN     - ------------------------------------------------------------------------------------------------------------------------SQPHTKPSVFVMKNGTNVACLVKEFYPKDIRINLVSSKKITEFDPAIVISPSGKYNAVKLGKYEDSNSVTCSVQHDNKTVHSTDFE  86
               SCOP domains d1hxmg1 G:1-120 T-cell antigen receptor                                                                                 d1hxmg2 G:121-206 T-cell antigen receptor                                              SCOP domains
               CATH domains 1hxmG01 G:1-121 Immunoglobulins                                                                                          1hxmG02 G:122-206 Immunoglobulins                                                     CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee...eeeee....eeeeeeee..hhh.eeeeeeeee.....eeeee...ee.......eeeeeehhh.eeeeee...hhhh.eeeeeeeee...........ee...eeeeee.........eeeeeee..eeeeeeeee.....eeeee...eeee...eeee.....eeeeeeeee......eeeeee..eeee.hhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1hxm G   1 AIELVPEHQTVPVSIGVPATLRCSMKGEAIGNYYINWYRKTQGNTMTFIYREKDIYGPGFKDNFQGDIDIAKNLAVLKILAPSERDEGSYYCACDTLGMGGEYTDKLIFGKGTRVTVEPRSQPHTKPSVFVMKNGTNVACLVKEFYPKDIRINLVSSKKITEFDPAIVISPSGKYNAVKLGKYEDSNSVTCSVQHDNKTVHSTDFE 206
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200      


Chain H from PDB  Type:PROTEIN  Length:230
 aligned with TRGC2_HUMAN | P03986 from UniProtKB/Swiss-Prot  Length:189

    Alignment length:230
                                                                                                                                                      1                                                                                                           
                                     -         -         -         -         -         -         -         -         -         -         -         -  |      8        18        28        38        48        58        68        78        88        98       108
          TRGC2_HUMAN     - --------------------------------------------------------------------------------------------------------------------------DKQLDADVSPKPTIFLPSIAETKLQKAGTYLCLLEKFFPDIIKIHWQEKKSNTILGSQEGNTMKTNDTYMKFSWLTVPEESLDKEHRCIVRHENNKNGIDQEIIFPPI 108
               SCOP domains d1hxmh1 H:1-123 T-cell antigen receptor                                                                                    d1hxmh2 H:124-230 T-cell antigen receptor                                                                   SCOP domains
               CATH domains 1hxmH01 H:1-125 Immunoglobulins                                                                                              1hxmH02 H:126-230 Immunoglobulins                                                                         CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eee....eeeee....eeeeeeee........eeeeee......eeeeee.....eee........eeeeee....eeeeee...hhhhheeeeeeeeee......eeeee...eeeeee.................hhhhhhh...eeeeeeeeee....eeeee...........ee...ee....eeeeeeeee.hhhhhh.eeeeeee..hhhhh.eeeee... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1hxm H   1 AGHLEQPQISSTKTLSKTARLECVVSGITISATSVYWYRERPGEVIQFLVSISYDGTVRKESGIPSGKFEVDRIPETSTSTLTIHNVEKQDIATYYCALWEAQQELGKKIKVFGPGTKLIITDKQLDADVSPKPTIFLPSIAETKLQKAGTYLCLLEKFFPDVIKIHWEEKKSNTILGSQEGNTMKTNDTYMKFSWLTVPEKSLDKEHRCIVRHENNKNGVDQEIIFPPI 230
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230
   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  (4, 16)

Asymmetric Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 16)

Asymmetric Unit
(-)
Class: Mainly Beta (13760)
(-)
Architecture: Sandwich (5577)
(-)
Topology: Immunoglobulin-like (3897)
(-)
Homologous Superfamily: Immunoglobulins (2282)
(-)
Human (Homo sapiens) (912)
1a1hxmB02B:126-230
1b1hxmD02D:126-230
1c1hxmF02F:126-230
1d1hxmH02H:126-230
1e1hxmA01A:1-121
1f1hxmC01C:1-121
1g1hxmE01E:1-121
1h1hxmG01G:1-121
1i1hxmB01B:1-125
1j1hxmD01D:1-125
1k1hxmF01F:1-125
1l1hxmH01H:1-125
1m1hxmA02A:122-206
1n1hxmC02C:122-206
1o1hxmE02E:122-206
1p1hxmG02G:122-206

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1HXM)

(-) Gene Ontology  (18, 20)

Asymmetric Unit(hide GO term definitions)
Chain A,C,E,G   (TRDC_HUMAN | B7Z8K6)
molecular function
    GO:0003823    antigen binding    Interacting selectively and non-covalently with an antigen, any substance which is capable of inducing a specific immune response and of reacting with the products of that response, the specific antibody or specifically sensitized T-lymphocytes, or both. Binding may counteract the biological activity of the antigen.
    GO:0034987    immunoglobulin receptor binding    Interacting selectively and non-covalently with one or more specific sites on an immunoglobulin receptor molecule.
biological process
    GO:0050853    B cell receptor signaling pathway    A series of molecular signals initiated by the cross-linking of an antigen receptor on a B cell.
    GO:0006958    complement activation, classical pathway    Any process involved in the activation of any of the steps of the classical pathway of the complement cascade which allows for the direct killing of microbes, the disposal of immune complexes, and the regulation of other immune processes.
    GO:0042742    defense response to bacterium    Reactions triggered in response to the presence of a bacterium that act to protect the cell or organism.
    GO:0045087    innate immune response    Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.
    GO:0006911    phagocytosis, engulfment    The internalization of bacteria, immune complexes and other particulate matter or of an apoptotic cell by phagocytosis, including the membrane and cytoskeletal processes required, which involves one of three mechanisms: zippering of pseudopods around a target via repeated receptor-ligand interactions, sinking of the target directly into plasma membrane of the phagocytosing cell, or induced uptake via an enhanced membrane ruffling of the phagocytosing cell similar to macropinocytosis.
    GO:0006910    phagocytosis, recognition    The initial step in phagocytosis involving adhesion to bacteria, immune complexes and other particulate matter, or an apoptotic cell and based on recognition of factors such as bacterial cell wall components, opsonins like complement and antibody or protein receptors and lipids like phosphatidyl serine, and leading to intracellular signaling in the phagocytosing cell.
    GO:0050871    positive regulation of B cell activation    Any process that activates or increases the frequency, rate or extent of B cell activation.
cellular component
    GO:0072562    blood microparticle    A phospholipid microvesicle that is derived from any of several cell types, such as platelets, blood cells, endothelial cells, or others, and contains membrane receptors as well as other proteins characteristic of the parental cell. Microparticles are heterogeneous in size, and are characterized as microvesicles free of nucleic acids.
    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:0042571    immunoglobulin complex, circulating    An immunoglobulin complex that is secreted into extracellular space and found in mucosal areas or other tissues or circulating in the blood or lymph. In its canonical form, a circulating immunoglobulin complex is composed of two identical heavy chains and two identical light chains, held together by disulfide bonds. Some forms of are polymers of the basic structure and contain additional components such as J-chain and the secretory 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 B,D,F,H   (TRGC2_HUMAN | P03986)
molecular function
    GO:0004888    transmembrane signaling receptor activity    Combining with an extracellular or intracellular signal and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity or state as part of signal transduction.
biological process
    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:0007165    signal transduction    The cellular process in which a signal is conveyed to trigger a change in the activity or state of a cell. Signal transduction begins with reception of a signal (e.g. a ligand binding to a receptor or receptor activation by a stimulus such as light), or for signal transduction in the absence of ligand, signal-withdrawal or the activity of a constitutively active receptor. Signal transduction ends with regulation of a downstream cellular process, e.g. regulation of transcription or regulation of a metabolic process. Signal transduction covers signaling from receptors located on the surface of the cell and signaling via molecules located within the cell. For signaling between cells, signal transduction is restricted to events at and within the receiving cell.
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: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:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

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