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5NIG

Crystal structure of HLA-DRB1*04:01 with modified alpha-enolase peptide 326-340 (arginine 327 to citrulline)

Functional Information from GO Data
ChainGOidnamespacecontents
A0006955biological_processimmune response
A0016020cellular_componentmembrane
A0019882biological_processantigen processing and presentation
A0042613cellular_componentMHC class II protein complex
B0006955biological_processimmune response
B0016020cellular_componentmembrane
B0019882biological_processantigen processing and presentation
B0042613cellular_componentMHC class II protein complex
Functional Information from PDB Data
site_idAC1
Number of Residues6
Detailsbinding site for residue MPD A 201
ChainResidue
AHIS33
AARG44
AGLU134
AHOH319
AHOH329
AHOH446

site_idAC2
Number of Residues3
Detailsbinding site for residue URE B 201
ChainResidue
BVAL24
BARG80
BHOH315

site_idAC3
Number of Residues11
Detailsbinding site for residue PGE B 202
ChainResidue
AARG50
APHE51
AASN94
BASN120
BGLY121
BASN150
BASP152
BTHR154
BGLN156
BHOH304
BHOH357

site_idAC4
Number of Residues5
Detailsbinding site for residue MPD C 401
ChainResidue
BLYS71
CLYS330
CALA331
CVAL332
CHOH506

site_idAC5
Number of Residues6
Detailsbinding site for residue MPD C 402
ChainResidue
AVAL116
AGLU166
AHIS167
ATRP168
CASN338
CLEU340

Functional Information from PROSITE/UniProt
site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YDCRVEH
ChainResidueDetails
ATYR161-HIS167
BTYR171-HIS177

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues180
DetailsDomain: {"description":"Ig-like C1-type"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues93
DetailsRegion: {"description":"Alpha-2"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsSite: {"description":"Self- and pathogen-derived peptide antigen","evidences":[{"source":"PubMed","id":"17583734","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21115828","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23260142","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4GBX","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsSite: {"description":"Self-peptide antigen","evidences":[{"source":"PubMed","id":"31619516","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsSite: {"description":"Self- and pathogen-derived peptide antigen","evidences":[{"source":"PubMed","id":"21115828","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsSite: {"description":"Self- and pathogen-derived peptide antigen","evidences":[{"source":"PubMed","id":"17583734","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21115828","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"31619516","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsSite: {"description":"Pathogen-derived peptide antigen","evidences":[{"source":"PubMed","id":"23260142","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4GBX","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsSite: {"description":"Self- and pathogen-derived peptide antigen","evidences":[{"source":"PubMed","id":"17583734","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21115828","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23260142","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"31619516","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4GBX","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsSite: {"description":"Pathogen-derived peptide antigen","evidences":[{"source":"PubMed","id":"17583734","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21115828","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23260142","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4FQX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4GBX","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues1
DetailsSite: {"description":"Self- and pathogen-derived peptide antigen","evidences":[{"source":"PubMed","id":"17583734","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23260142","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"31619516","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4FQX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4GBX","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"19159218","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7477400","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues94
DetailsRegion: {"description":"Beta-1"}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"31619516","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"19303388","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"24190431","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P17182","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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