[Term] id: PR:000021532 name: SON protein, initiator methionine removed form def: "A SON protein that has had the initiator methionine removed." [PRO:DNx] comment: Category=modification. synonym: "SON/InitMet-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000015406 ! SON protein intersection_of: lacks_part PR:000021937 ! initiator methionine