[Term] id: PR:000075340 name: B-cell antigen receptor complex-associated protein alpha chain cysteinylated 1 (human) def: "A B-cell antigen receptor complex-associated protein alpha chain (human) that has been cysteinylated on the residue at the position equivalent to Cys-54 of the amino acid sequence represented by UniProtKB:P11912-1. Example: UniProtKB:P11912-1, Cys-54, MOD:00765." [PRO:DNx, IEDB_epitope:1571520] comment: Category=organism-modification. synonym: "hCD79A/Cyst:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P11912, Cys-54, MOD:00765" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:P11912-1, Cys-54, MOD:00765" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:P11912 ! B-cell antigen receptor complex-associated protein alpha chain (human) relationship: has_part MOD:00765 ! cysteinylation (disulfide with free L-cysteine) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens