1.8.98.2 - 658132, 659421, 698928, 698953 1.8.98.2 His-Srx proteins are purified from cell lysates by chromatography on a column on Ni-chelating Sepharose 695553 1.8.98.2 Ni2+-NTA column chromatography 668161 1.8.98.2 recombinant 659998 1.8.98.2 recombinant His-tagged full-length enzyme from Escherichia coli strain BL21(DE3) by nickel affinity chromatography, ultrafiltration, and gel filtration 764076 1.8.98.2 recombinant wild-type Srx and mutants to homogeneity from Escherichia coli strain BL21(DE3) by nickel affinity and anion exchange chromatography 712607