3.4.21.B30 - 651617, 651628, 651629, 651630, 651685, 652782, 653236, 653588, 653604, 653620, 754656 3.4.21.B30 expressed in Escherichia coli BL21(DE3) cells 717851 3.4.21.B30 expression in Escherichia coli 669529 3.4.21.B30 fusion protein with beta-galactosidase 653602 3.4.21.B30 gene umuD 731823 3.4.21.B30 gene umuD, recombinant expression of wild-type and mutant enzymes in Escherichia coli strain BL21 (DE3) 732588 3.4.21.B30 gene umuDAb, the umuD homologue umuDAb is present throughout the Acinetobacter genus and encodes an extra N-terminal region, transformation of Escherichia coli wild-type strain AB1157 and mutant cells with plasmids bearing various umuDAb alleles. UmuD is not required for UmuDAb expression from its native promoter, nor its disappearance after DNA damage through intermolecular interactions with Escherichia coli UmuD 731823 3.4.21.B30 wild-type and mutant lacking the N-terminal extension 653917