[Term] id: PR:000074917 name: HLA class II histocompatibility antigen, DP alpha 1 chain methylated 4 (human) def: "An HLA class II histocompatibility antigen, DP alpha 1 chain (human) that has been methylated on the residue at the position equivalent to Cys-138 of the amino acid sequence represented by UniProtKB:P20036. UniProtKB:P20036, Cys-138, MOD:00660." [PRO:DNx, IEDB_epitope:1016372, IEDB_epitope:1038911] comment: Category=organism-modification. synonym: "hHLA-DPA1/Me:4" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P20036, Cys-138, MOD:00660" EXACT PRO-proteoform-std [PRO:DNx] is_a: PR:P20036 ! HLA class II histocompatibility antigen, DP alpha 1 chain (human) relationship: has_part MOD:00660 ! methylated cysteine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens