[Term] id: PR:000021515 name: spermine synthase, initiator methionine removed form def: "A spermine synthase that has had the initiator methionine removed." [PRO:DNx] comment: Category=modification. synonym: "SMS/InitMet-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000015301 ! spermine synthase intersection_of: lacks_part PR:000021937 ! initiator methionine