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(-) Description

Title :  HISTOCOMPATIBILITY ANTIGEN
 
Authors :  M. J. Miley, C. A. Nelson, D. H. Fremont
Date :  21 Aug 00  (Deposition) - 07 Mar 01  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  C,D  (1x)
Biol. Unit 3:  A,B,C,D  (2x)
Keywords :  Histocompatibility Antigen, Mhc, Immune System (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  G. J. Kersh, M. J. Miley, C. A. Nelson, A. Grakoui, S. Horvath, D. L. Donermeyer, J. Kappler, P. M. Allen, D. H. Fremont
Structural And Functional Consequences Of Altering A Peptid Mhc Anchor Residue.
J. Immunol. V. 166 3345 2001
PubMed-ID: 11207290

(-) Compounds

Molecule 1 - PROTEIN (MHC CLASS II I-EK, ALPHA CHAIN)
    ChainsA, C
    EngineeredYES
    Expression SystemSPODOPTERA FRUGIPERDA
    Expression System CommonFALL ARMYWORM
    Expression System Taxid7108
    FragmentSOLUBLE ECTO-DOMAIN
    Organism CommonHOUSE MOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
 
Molecule 2 - PROTEIN (MHC CLASS II I-EK, BETA CHAIN)
    ChainsB, D
    EngineeredYES
    Expression SystemSPODOPTERA FRUGIPERDA
    Expression System CommonFALL ARMYWORM
    Expression System Taxid7108
    FragmentSOLUBLE ECTO-DOMAIN WITH COVALENTLY ATTACHED HB PEPTIDE
    MutationYES
    Organism CommonHOUSE MOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
    Other DetailsWITH COVALENTLY BOUND HB(D73) PEPTIDE

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit ABCD
Biological Unit 1 (1x)AB  
Biological Unit 2 (1x)  CD
Biological Unit 3 (2x)ABCD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 6)

Asymmetric Unit (1, 6)
No.NameCountTypeFull Name
1NAG6Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 1 (1, 3)
No.NameCountTypeFull Name
1NAG3Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 2 (1, 3)
No.NameCountTypeFull Name
1NAG3Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 3 (1, 12)
No.NameCountTypeFull Name
1NAG12Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (6, 6)

Asymmetric Unit (6, 6)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASN A:78BINDING SITE FOR RESIDUE NAG A 601
2AC2SOFTWAREASN A:118 , ASP A:166 , TRP A:168 , HOH A:738BINDING SITE FOR RESIDUE NAG A 602
3AC3SOFTWAREILE A:1 , THR A:157 , ASN B:19 , GLN B:22 , HOH B:661BINDING SITE FOR RESIDUE NAG B 603
4AC4SOFTWAREASN C:78 , HOH C:732BINDING SITE FOR RESIDUE NAG C 604
5AC5SOFTWAREASN C:118 , ASP C:166 , TRP C:168BINDING SITE FOR RESIDUE NAG C 605
6AC6SOFTWAREGLU A:171 , ILE C:1 , LYS C:2 , GLY D:14L , ASN D:19 , HOH D:694BINDING SITE FOR RESIDUE NAG D 606

(-) SS Bonds  (6, 6)

Asymmetric Unit
No.Residues
1A:107 -A:163
2B:15 -B:79
3B:117 -B:173
4C:107 -C:163
5D:15 -D:79
6D:117 -D:173

(-) Cis Peptide Bonds  (6, 6)

Asymmetric Unit
No.Residues
1Leu A:15 -Pro A:16
2Ser A:113 -Pro A:114
3Tyr B:123 -Pro B:124
4Leu C:15 -Pro C:16
5Ser C:113 -Pro C:114
6Tyr D:123 -Pro D:124

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 2)

Asymmetric Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IG_MHCPS00290 Immunoglobulins and major histocompatibility complex proteins signature.HA22_MOUSE186-192
 
  2A:161-167
C:161-167
Biological Unit 1 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IG_MHCPS00290 Immunoglobulins and major histocompatibility complex proteins signature.HA22_MOUSE186-192
 
  1A:161-167
-
Biological Unit 2 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IG_MHCPS00290 Immunoglobulins and major histocompatibility complex proteins signature.HA22_MOUSE186-192
 
  1-
C:161-167
Biological Unit 3 (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IG_MHCPS00290 Immunoglobulins and major histocompatibility complex proteins signature.HA22_MOUSE186-192
 
  4A:161-167
C:161-167

(-) Exons   (0, 0)

(no "Exon" information available for 1FNE)

(-) 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:182
 aligned with HA22_MOUSE | P04224 from UniProtKB/Swiss-Prot  Length:255

    Alignment length:182
                                    35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205  
           HA22_MOUSE    26 IKEEHTIIQAEFYLLPDKRGEFMFDFDGDEIFHVDIEKSETIWRLEEFAKFASFEAQGALANIAVDKANLDVMKERSNNTPDANVAPEVTVLSRSPVNLGEPNILICFIDKFSPPVVNVTWLRNGRPVTEGVSETVFLPRDDHLFRKFHYLTFLPSTDDFYDCEVDHWGLEEPLRKHWEFEE 207
               SCOP domains d1fnea2 A:1-81 Class II MHC alpha chain, N-terminal domain                       d1fnea1 A:82-182 Class II MHC alpha chain, C-terminal domain                                          SCOP domains
               CATH domains --1fneA01 A:3-81                                                                 1fneA02 A:82-181 Immunoglobulins                                                                    - CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeeeeeeeee...eeeeeeee..eeeeeee....eeee.hhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh..........eeeeee.........eeeeeeeeee.....eeeeee..eee...eee...ee.....eeeeeeeee.......eeeeee.......eeeee.... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------IG_MHC --------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1fne A   1 IKEEHTIIQAEFYLLPDKRGEFMFDFDGDEIFHVDIEKSETIWRLEEFAKFASFEAQGALANIAVDKANLDVMKERSNNTPDANVAPEVTVLSRSPVNLGEPNILICFIDKFSPPVVNVTWLRNGRPVTEGVSETVFLPRDDHLFRKFHYLTFLPSTDDFYDCEVDHWGLEEPLRKHWEFEE 182
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180  

Chain B from PDB  Type:PROTEIN  Length:213
                                                                                                                                                                                                                                                     
               SCOP domains ----------------------------d1fneb2 B:4-92 Class II MHC beta chain, N-terminal domain                                d1fneb1 B:93-188 Class II MHC beta chain, C-terminal domain                                      SCOP domains
               CATH domains ------------------------------1fneB01 B:6-93 Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1     1fneB02 B:94-188 Immunoglobulins                                                                CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...............eee.............eeeeeeeeeee.hhhh.eeeeeeeee..eeeeeee.....eee.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..........eeeeeee.........eeeeeeeee.....eeeeee..ee....eee...ee.....eeeeeeee........eeeeee.......eeeee Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1fne B  6N KKVITAFNDGLKGGGGSLVGGGSGGGGSRPWFLEYCKSECHFYNGTQRVRLLVRYFYNLEENLRFDSDVGEFRAVTELGRPDAENWNSQPEFLEQKRAEVDTVCRHNYEIFDNFLVPRRVEPTVTVYPTKTQPLEHHNLLVCSVSDFYPGNIEVRWFRNGKEEKTGIVSTGLVRNGDWTFQTLVMLETVPQSGEVYTCQVEHPSLTDPVTVEW 188
                            ||||||||7P||||||||8L|||||||||5        15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185   
                           6N|||||||7P|||||||7L||||||16L|                                                                                                                                                                                        
                            7N|||||||8P|||||||8L||||||| 4                                                                                                                                                                                        
                             8N|||||| 9P|||||| 9L||||||                                                                                                                                                                                          
                              1P|||||  1L||||| 10L|||||                                                                                                                                                                                          
                               2P||||   2L||||  11L||||                                                                                                                                                                                          
                                3P|||    3L|||   12L|||                                                                                                                                                                                          
                                 4P||     4L||    13L||                                                                                                                                                                                          
                                  5P|      5L|     14L|                                                                                                                                                                                          
                                   6P       6L      15L                                                                                                                                                                                          

Chain C from PDB  Type:PROTEIN  Length:182
 aligned with HA22_MOUSE | P04224 from UniProtKB/Swiss-Prot  Length:255

    Alignment length:182
                                    35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205  
           HA22_MOUSE    26 IKEEHTIIQAEFYLLPDKRGEFMFDFDGDEIFHVDIEKSETIWRLEEFAKFASFEAQGALANIAVDKANLDVMKERSNNTPDANVAPEVTVLSRSPVNLGEPNILICFIDKFSPPVVNVTWLRNGRPVTEGVSETVFLPRDDHLFRKFHYLTFLPSTDDFYDCEVDHWGLEEPLRKHWEFEE 207
               SCOP domains d1fnec2 C:1-81 Class II MHC alpha chain, N-terminal domain                       d1fnec1 C:82-182 Class II MHC alpha chain, C-terminal domain                                          SCOP domains
               CATH domains --1fneC01 C:3-81                                                                 1fneC02 C:82-181 Immunoglobulins                                                                    - CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeeeeeeeee...eeeeeeee..eeeeeee....eeee.hhhhhh.ee.hhhhhhhhhhhhhhhhhhhhhhh..........eeeeee.........eeeeeeeeee.....eeeeee..ee....eee...ee.....eeeeeeeee......eeeeeee.......eeeeee... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------IG_MHC --------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1fne C   1 IKEEHTIIQAEFYLLPDKRGEFMFDFDGDEIFHVDIEKSETIWRLEEFAKFASFEAQGALANIAVDKANLDVMKERSNNTPDANVAPEVTVLSRSPVNLGEPNILICFIDKFSPPVVNVTWLRNGRPVTEGVSETVFLPRDDHLFRKFHYLTFLPSTDDFYDCEVDHWGLEEPLRKHWEFEE 182
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180  

Chain D from PDB  Type:PROTEIN  Length:213
                                                                                                                                                                                                                                                     
               SCOP domains ----------------------------d1fned2 D:4-92 Class II MHC beta chain, N-terminal domain                                d1fned1 D:93-188 Class II MHC beta chain, C-terminal domain                                      SCOP domains
               CATH domains ------------------------------1fneD01 D:6-93 Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1     1fneD02 D:94-188 Immunoglobulins                                                                CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .ee............eee.............eeeeeeeeeeeeehhheeeeeeeeee..eeeeeee.....eee.hhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh..........eeeeeee.........eeeeeeeee.....eeeeee..ee....eee...ee.....eeeeeeee........eeeeee.......eeeee Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1fne D  6N KKVITAFNDGLKGGGGSLVGGGSGGGGSRPWFLEYCKSECHFYNGTQRVRLLVRYFYNLEENLRFDSDVGEFRAVTELGRPDAENWNSQPEFLEQKRAEVDTVCRHNYEIFDNFLVPRRVEPTVTVYPTKTQPLEHHNLLVCSVSDFYPGNIEVRWFRNGKEEKTGIVSTGLVRNGDWTFQTLVMLETVPQSGEVYTCQVEHPSLTDPVTVEW 188
                            ||||||||7P||||||||8L|||||||||5        15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185   
                           6N|||||||7P|||||||7L||||||16L|                                                                                                                                                                                        
                            7N|||||||8P|||||||8L||||||| 4                                                                                                                                                                                        
                             8N|||||| 9P|||||| 9L||||||                                                                                                                                                                                          
                              1P|||||  1L||||| 10L|||||                                                                                                                                                                                          
                               2P||||   2L||||  11L||||                                                                                                                                                                                          
                                3P|||    3L|||   12L|||                                                                                                                                                                                          
                                 4P||     4L||    13L||                                                                                                                                                                                          
                                  5P|      5L|     14L|                                                                                                                                                                                          
                                   6P       6L      15L                                                                                                                                                                                          

   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, 8)

Asymmetric Unit

(-) CATH Domains  (2, 8)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (18, 18)

Asymmetric Unit(hide GO term definitions)
Chain A,C   (HA22_MOUSE | P04224)
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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        HA22_MOUSE | P042241fng 1i3r 1r5v 1r5w 3qib 3qiu 3qiw 4p2o 4p2q 4p2r
        HBB2_MOUSE | P020891fng 1i3r

(-) Related Entries Specified in the PDB File

1iea INITIAL I-EK/HB STRUCTURE