1.1.1.87 - 1.1.1.87 Ni-NTA His-Bind column chromatography 1.1.1.87 partial 1.1.1.87 recombinant enzyme from Escherichia coli by anion exchange chromatography and gel filtration 1.1.1.87 recombinant enzyme from Escherichia coli strain OM17 by anion exchange and hydrophobic interaction chromatography, followed by another step of anion exchange chromatography 1.1.1.87 recombinant His-tagged enzyme from Escherichia coli strain TOP 10F by nickel affinity chromatography' 1.1.1.87 recombinant His-tagged wild-type and mutant enzymes from Escherichia coli strain BL21(DE3) by nickel affinity chrmatography 1.1.1.87 recombinnat His-tagged enzyme from Escherichia coli by metal affinity chromatography