[Term] id: PR:000018817 name: E3 SUMO-protein ligase PIAS4, initiator methionine removed form def: "An E3 SUMO-protein ligase PIAS4 that has had the initiator methionine removed." [PRO:DNx] comment: Category=modification. synonym: "PIAS4/InitMet-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000003447 ! E3 SUMO-protein ligase PIAS4 intersection_of: lacks_part PR:000021937 ! initiator methionine