3.4.21.B30	DNA damage response protein, error-prone polymerase accessory, ImpA, MucA, polymerase manager protein UmuD, RulA, SamA, UmuD, UmuD', UmuD2, UmuDAb, UmuDC, umuDpR, UmuDpR protein, UmuD’2	-	-, 668384, 668385, 668779, 668783, 669529, 677665, 681885, 682581, 705887, 709122, 709543, 717851, 718023, 718102, 731145, 731345, 731823, 732588, 754656, 755139	
3.4.21.B30	S24.003	Merops ID	652782	
3.4.21.B30	UmuD'	UmuD is initially produced as a 139-amino-acid protein, which subsequently cleaves off its N-terminal 24 amino acids in a reaction dependent on RecA/single-stranded DNA, giving UmuD'	709543