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(-) Description

Title :  STRUCTURE OF AUTOIMMUNE TCR HY.1B11 IN COMPLEX WITH HLA-DQ1 AND MBP 85-99
 
Authors :  D. K. Sethi, K. W. Wucherpfennig
Date :  13 Nov 10  (Deposition) - 22 Dec 10  (Release) - 16 Feb 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.55
Chains :  Asym./Biol. Unit :  A,B,C,D
Keywords :  Tcr-Mhc Complex, Immunoglobulin Fold, Immune Receptor, Membrane, Immune System (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  D. K. Sethi, D. A. Schubert, A. K. Anders, A. Heroux, D. A. Bonsor, C. P. Thomas, E. J. Sundberg, J. Pyrdol, K. W. Wucherpfennig
A Highly Tilted Binding Mode By A Self-Reactive T Cell Receptor Results In Altered Engagement Of Peptide And Mhc.
J. Exp. Med. V. 208 91 2011
PubMed-ID: 21199956  |  Reference-DOI: 10.1084/JEM.20100725

(-) Compounds

Molecule 1 - MHC CLASS II HLA-DQ-ALPHA CHAIN
    ChainsA
    EngineeredYES
    Expression SystemCRICETULUS GRISEUS
    Expression System Cell LineCHINESE HAMSTER OVARY (CHO)
    Expression System CommonCHINESE HAMSTER
    Expression System Taxid10029
    FragmentUNP RESIDUES 1-194
    GeneHLA-DQA1
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
 
Molecule 2 - MHC CLASS II HLA-DQ-BETA CHAIN
    ChainsB
    EngineeredYES
    Expression SystemCRICETULUS GRISEUS
    Expression System Cell LineCHINESE HAMSTER OVARY (CHO)
    Expression System CommonCHINESE HAMSTER
    Expression System Taxid10029
    FragmentUNP RESIDUES 31-232
    GeneHLA-DQB1
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
 
Molecule 3 - T-CELL RECEPTOR ALPHA CHAIN
    ChainsC
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
 
Molecule 4 - MBP PEPTIDE / T-CELL RECEPTOR BETA CHAIN CHIMERA
    ChainsD
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    FragmentMBP (UNP RESIDUES 84-98)
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606

 Structural Features

(-) Chains, Units

  1234
Asymmetric/Biological Unit ABCD

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1NAG2Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASN A:118 , GLU A:166BINDING SITE FOR RESIDUE NAG A 1181
2AC2SOFTWAREASN B:19 , GLU B:22 , ARG B:23BINDING SITE FOR RESIDUE NAG B 5467

(-) SS Bonds  (8, 8)

Asymmetric/Biological Unit
No.Residues
1A:107 -A:163
2B:15 -B:79
3B:117 -B:173
4C:23 -C:90
5C:135 -C:185
6C:160 -D:194
7D:48 -D:117
8D:168 -D:233

(-) Cis Peptide Bonds  (6, 6)

Asymmetric/Biological Unit
No.Residues
1Gly A:17 -Pro A:18
2Phe A:113 -Pro A:114
3Tyr B:123 -Pro B:124
4His C:7 -Pro C:8
5Thr D:32 -Pro D:33
6Tyr D:174 -Pro D:175

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3PL6)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3PL6)

(-) Exons   (0, 0)

(no "Exon" information available for 3PL6)

(-) Sequences/Alignments

Asymmetric/Biological 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 Q30066_HUMAN | Q30066 from UniProtKB/TrEMBL  Length:227

    Alignment length:182
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181  
         Q30066_HUMAN     2 DIVADHVASCGVNLYQFYGPSGQYTHEFDGDEQFYVDLERKETAWRWPEFSKFGGFDPQGALRNMAVAKHNLNIMIKRYNSTAATNEVPEVTVFSKSPVTLGQPNTLICLVDNIFPPVVNITWLSNGQSVTEGVSETSFLSKSDHSFFKISYLTFLPSADEIYDCKVEHWGLDQPLLKHWEP 183
               SCOP domains d3pl6a1 A:-1-81 automated matches                                                  d3pl6a2 A:82-180 automated matches                                                                  SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeeeeeeeee....eeeeeeee..eeeeeee....eeee............hhhhhhhhhhhhhhhhhhhhhh..........eeeeee.........eeeeeeeeee.....eeeeee..ee....eee...ee.....eeeeeeeee.......eeeeee.......eeeee.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3pl6 A  -1 DIVADHVASCGVNLYQFYGPSGQYTHEFDGDEQFYVDLERKETAWRWPEFSKFGGFDPQGALRNMAVAKHNLNIMIKRYNSTAATNEVPEVTVFSKSPVTLGQPNTLICLVDNIFPPVVNITWLSNGQSVTEGVSETSFLSKSDHSFFKISYLTFLPSADEIYDCKVEHWGLDQPLLKHWEP 180
                                     8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178  

Chain B from PDB  Type:PROTEIN  Length:181
 aligned with Q67AJ6_HUMAN | Q67AJ6 from UniProtKB/TrEMBL  Length:234

    Alignment length:189
                                    44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214         
         Q67AJ6_HUMAN    35 SPEDFVYQFKGLCYFTNGTERVRGVTRHIYNREEYVRFDSDVGVYRAVTPQGRPVAEYWNSQKEVLEGARASVDRVCRHNYEVAYRGILQRRVEPTVTISPSRTEALNHHNLLICSVTDFYPSQIKVRWFRNDQEETAGVVSTPLIRNGDWTFQILVMLEMTPQRGDVYTCHVEHPSLQSPITVEWRAQ 223
               SCOP domains d3pl6b1 B:3-94 automated matches                                                            d3pl6b2 B:        95-191 automated matches                                                        SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeeeeeeeee....eeeeeeeeee..eeeeeee.....eee.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......eeeeee.--------.eeeeeeeee.....eeeeee..eee...eee...ee.....eeeeeeee.......eeeeeee.......eeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3pl6 B   3 SPEDFVYQFKGLCYFTNGTERVRGVTRHIYNREEYVRFDSDVGVYRAVTPQGRPVAEYWNSQKEVLEGARASVDRVCRHNYEVAYRGILQRRVEPTVTISPS--------NLLICSVTDFYPSQIKVRWFRNDQEETAGVVSTPLIRNGDWTFQILVMLEMTPQRGDVYTCHVEHPSLQSPITVEWRAQ 191
                                    12        22        32        42        52        62        72        82        92       102 |       -|      122       132       142       152       162       172       182         
                                                                                                                               104      113                                                                              

Chain C from PDB  Type:PROTEIN  Length:191
                                                                                                                                                                                                                               
               SCOP domains d3pl6c1 C:2-113 automated matches                                                                               d3pl6c2 C:114-192 automated matches                                             SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee..eeeee....eeeeeee....eeeeeeeee.....eeeeeeee....eeee..eeeeee....eeeeee...hhhhheeeeeeeee......ee...eeeeee........eeee.........eeeeee................ee...eee........eeeeeeee.............. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3pl6 C   2 ENVEQHPSTLSVQEGDSAVIKCTYSDSASNYFPWYKQELGKRPQLIIDIRSNVGEKKDQRIAVTLNKTAKHFSLHITETQPEDSAVYFCAASSFGNEKLTFGTGTRLTIIPNIQNPDPAVYQLRDSKSSDKSVCLFTDFDSQTNVSQSKDSDVYITDKCVLDMRSMDFKSNSAVAWSNKSDFACANAFNNS 192
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191 

Chain D from PDB  Type:PROTEIN  Length:257
                                                                                                                                                                                                                                                                                                 
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ........................eeeee....eeeee.......eeeeeee......eeeeeee..eeee........eeee......eeeee...hhhhheeeeeeee......ee...eeeeee.hhhhh...eeeee..hhhhhhhhheeeeeeeeeee....eeeeeee...ee...eee....ee.........eeeeeeeeeehhhhh....eeeeeeee..................eeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3pl6 D   4 NPVVHFFKNIVTPRGGAGVSQTPSNKVTEKGKYVELRCDPISGHTALYWYRQSLGQGPEFLIYFQGTGAADDSGLPNDRFFAVRPEGSVSTLKIQRTERGDSAVYLCATSALGDTQYFGPGTRLTVLEDLKNVFPPEVAVFEPSEAEISHTQKATLVCLATGFYPDHVELSWWVNGKEVHSGVCTDPQPLKEQPALNDSRYSLSSRLRVSATFWQNPRNHFRCQVQFYGLSENDEWTQDRAKPVTQIVSAEAWGRAD 267
                                    13   ||   30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       
                                        17|                                                                                                                                                                                                                                                  
                                         25                                                                                                                                                                                                                                                  

   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, 6)

Asymmetric/Biological Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3PL6)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3PL6)

(-) Gene Ontology  (7, 14)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (Q30066_HUMAN | Q30066)
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 B   (Q67AJ6_HUMAN | Q67AJ6)
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/TrEMBL
        Q30066_HUMAN | Q300664grl 4may
        Q67AJ6_HUMAN | Q67AJ64grl 4may

(-) Related Entries Specified in the PDB File

1ymm