[Term] id: PR:000021394 name: protein transport protein Sec61 subunit beta, initiator methionine removed form def: "A protein transport protein Sec61 subunit beta that has had the initiator methionine removed." [PRO:DNx] comment: Category=modification. synonym: "SEC61B/InitMet-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000014597 ! protein transport protein Sec61 subunit beta intersection_of: lacks_part PR:000021937 ! initiator methionine