2.7.7.71 - 698717 2.7.7.71 recombinant His-tagged enzyme from Escherichia coli strain BL21(DE3) by nickel affinity and anion exchange chromatography 760405 2.7.7.71 recombinant His6-tagged wild-type and SeMet-labeled enzymes from Escherichia coli by nickel affinity chromatography 760631 2.7.7.71 recombinant N-terminally His6-tagged enzyme from Escherichia coli strain BL21(DE3) by nickel affinity chromatography and dialysis 761839 2.7.7.71 recombinant N-terminally His6-tagged wild-type and mutant enzymes from Escherichia coli strain BL21(DE3) by nickel affinity chromatography 761308