1.14.13.59	recombinant enzyme form IucD439, in which the sequence encoding the IucD protein is fused in frame to the amino-terminal sequence of beta-galactosidase	
1.14.13.59	recombinant His-tagged wild-type and P14G mutant enzymes from strain M15-2 to homogeneity by gel filtration, ion exchange and nickel affinity chromatography	
1.14.13.59	recombinant His8-MBP-tagged wild-type and mutant K184A enzymes, as well as seleno-L-methionine-labeled enzyme from Escherichia coli TOP10 cells by nickel affinity chromatography, dialysis, tag cleavage by TEV protease, followed by a second step of nickel affinity chromatography and by MBP-tracking affinity chromatography, eluting the detagged enzyme, followed by dialysis	
1.14.13.59	recombinant wild-type and mutants from strain DH5alpha