[Term] id: PR:000074857 name: upstream stimulatory factor 1 methylated 1 (human) def: "An upstream stimulatory factor 1 (human) that has been methylated on the residue at the position equivalent to Cys-248 of the amino acid sequence represented by UniProtKB:P22415-1. Example: UniProtKB:P22415-1, Cys-248, MOD:00660." [PRO:DNx, IEDB_epitope:1022908] comment: Category=organism-modification. synonym: "hUSF1/Me:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P22415, Cys-248, MOD:00660" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:P22415-1, Cys-248, MOD:00660" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:P22415 ! upstream stimulatory factor 1 (human) relationship: has_part MOD:00660 ! methylated cysteine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens