[Term] id: PR:000021033 name: DNA-directed RNA polymerases I, II, and III subunit RPABC3, initiator methionine removed form def: "A DNA-directed RNA polymerases I, II, and III subunit RPABC3 that has had the initiator methionine removed." [PRO:DNx] comment: Category=modification. synonym: "POLR2H/InitMet-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000012994 ! DNA-directed RNA polymerases I, II, and III subunit RPABC3 intersection_of: lacks_part PR:000021937 ! initiator methionine