[Term] id: PR:000021150 name: 26S proteasome regulatory subunit 4, initiator methionine removed form def: "A 26S proteasome regulatory subunit 4 that has had the initiator methionine removed." [PRO:DNx] comment: Category=modification. synonym: "PSMC1/InitMet-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000013378 ! 26S proteasome regulatory subunit 4 intersection_of: lacks_part PR:000021937 ! initiator methionine