HLA class I histocompatibility antigen, B alpha chain (human) HLA class I histocompatibility antigen, B-18 alpha chain (human) MHC class I antigen B*18 (human) UniProtKB:P01889, Leu-2/Ser-121, CHEBI:29952|Met-4/Glu-69/Ala-93/Ala-95/Glu-187/Lys-202/Ala-329, CHEBI:30013|Val-9/Arg-180, CHEBI:30006|Ser-14, CHEBI:29954|Ala-15/Asp-54, CHEBI:29947|Leu-17/Glu-176, CHEBI:30015|Tyr-33/Tyr-195, CHEBI:29979|Tyr-91/Tyr-140/Arg-155/Cys-349, CHEBI:29999|Gln-94, CHEBI:50347|Asp-98, CHEBI:46858|Asp-201, CHEBI:29972|Glu-204, CHEBI:30011|Val-306, CHEBI:30009 An HLA class I histocompatibility antigen, B alpha chain (human) that belongs to allele group 18. HLAB Category=organism-seqgroup. Requested by=IEDB. Requested by=ImmPort. Note: Prototype allele is HLA-B*18:01. The corresponding UniProtKB entry has been removed from the source database. protein PR:P30466 hHLA-B*18