[Term] id: PR:000024803 name: tryptophan synthase beta chain, initiator methionine removed form def: "A tryptophan synthase beta chain that has had the initiator methionine removed." [PRO:DNx] comment: Category=modification. synonym: "trpB/InitMet-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000024118 ! tryptophan synthase beta chain intersection_of: lacks_part PR:000021937 ! initiator methionine