2.7.1.6 - 2.7.1.6 HiTrap Q column chromatography, HiTrap Phenyl FF column chromatography, and HiLoad 16/60 Superdex 75 gel filtration 2.7.1.6 Ni2+-nitrilotriacetic acid-agarose column chromatography 2.7.1.6 nickel-nitrilotriacetic acid-agarose chromatography and Resource-Q column chromatography 2.7.1.6 one-step purification, affinity chromatography 2.7.1.6 partial 2.7.1.6 recombinant enzyme 2.7.1.6 two forms of galactokinase, one of which is purified to homogeneity 2.7.1.6 using Ni-NTA chromatography