[Term] id: PR:P04229 name: HLA class II histocompatibility antigen, DRB1-1 beta chain (human) def: "An HLA class II histocompatibility antigen, DRB1 beta chain (human) that belongs to allele group 1." [PRO:DAN, UniProtKB:P04229] comment: Category=organism-seqgroup. Requested by=IEDB. Requested by=ImmPort. Note: Prototype allele is HLA-DRB*01:01. The corresponding UniProtKB entry has been removed from the source database. synonym: "hHLA-DRB1*1" EXACT PRO-short-label [PRO:DAN] synonym: "DR-1 (human)" EXACT [PRO:DNx, UniProtKB:P04229] synonym: "DR1 (human)" EXACT [UniProtKB:P04229] synonym: "MHC class II antigen DRB1*1 (human)" EXACT [UniProtKB:P04229] synonym: "UniProtKB:P01911, Ser-29, CHEBI:46217|Pro-40/Phe-55/Ile-96, CHEBI:30006|Arg-42, CHEBI:29997|Asp-57/Gln-125, CHEBI:29972|Tyr-59, CHEBI:29950|Phe-60, CHEBI:30009|Phe-76, CHEBI:46858|Ala-100/Leu-162, CHEBI:29952|Val-115, CHEBI:29947|Met-171, CHEBI:30015" EXACT PRO-proteoform-std [PRO:DNx] is_a: PR:P01911 ! HLA class II histocompatibility antigen, DRB1 beta chain (human) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens