5.4.3.8 - 3428, 3436, 3438, 3439, 3440, 703619 5.4.3.8 nickel-chelating resin column chromatography and Superdex 200 gel filtration 714041 5.4.3.8 partial 3419 5.4.3.8 recombinant enzyme 3427, 677347 5.4.3.8 recombinant GSA-AT 653764 5.4.3.8 recombinant GSAT 649844 5.4.3.8 recombinant His-tagged wild-type and mutant enzymes from Escherichia coli strain BL21(DE3) by nickel affinity chromatography and gel filtration 747005 5.4.3.8 recombinant His6-tagged enzyme from Escherichia coli strain BL21(DE3) by nickel affinity chromatography, removal of the His-tag through TEV protease, followed by gel filtration, and ultrafiltration 746660 5.4.3.8 wild-type enzyme and gabaculine-resistant mutant enzyme 3430