3.5.5.5 - 32503, 667345, 755864 3.5.5.5 ammonium sulfate precipitation, DEAE-Sepharose column chromatography, and Sephacryl S-300 gel filtration 733546 3.5.5.5 cells of bacteria culture are disrupted and centrifugation and the enzyme in the soluble fraction is purified using Ni-NTA affinity chromatography 694107 3.5.5.5 DEAE Sepharose Fast Flow column chromatography and Sephacryl S-300 gel filtration 687882 3.5.5.5 Ni-NTA column chromatography 733558 3.5.5.5 partial, 259fold 652959 3.5.5.5 recombinant enzyme 2.4fold from Escherichia coli strain BL21-Gold(DE3) to near homogeneity 718670 3.5.5.5 recombinant enzyme 3fold from Escherichia coli strain BL21-Gold(DE3) to near homogeneity 718670 3.5.5.5 recombinant His-tagged enzyme from Escherichia coli strain BL21(DE3) by nickel affinity chromatography 719629