[Term] id: PR:000021860 name: Xaa-Pro aminopeptidase 1, initiator methionine removed form def: "An Xaa-Pro aminopeptidase 1 that has had the initiator methionine removed." [PRO:DNx] comment: Category=modification. synonym: "XPNPEP1/InitMet-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000017495 ! Xaa-Pro aminopeptidase 1 intersection_of: lacks_part PR:000021937 ! initiator methionine