[Term] id: PR:000069224 name: DNA-directed RNA polymerase II subunit GRINL1A isoforms 4/5 cysteinylated 1 (human) def: "A DNA-directed RNA polymerase II subunit GRINL1A isoforms 4/5 (human) that has been cysteinylated on the residue at the position equivalent to Cys-28 of the amino acid sequence represented by UniProtKB:Q6EEV4-1. Example: UniProtKB:Q6EEV4-1, Cys-28, MOD:00765." [PRO:DNx, IEDB_epitope:1561487] comment: Category=organism-modification. synonym: "hPOLR2M/iso:[4/5]/Cyst:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:Q6EEV4, Cys-28, MOD:00765" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:Q6EEV4-1, Cys-28, MOD:00765" NARROW PRO-proteoform-std [PRO:DNx] is_a: PR:Q6EEV4 ! DNA-directed RNA polymerase II subunit GRINL1A isoforms 4/5 (human) relationship: has_part MOD:00765 ! cysteinylation (disulfide with free L-cysteine) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens