2.6.1.45 - 2.6.1.45 ammonium sulfate, agarose A-15, chromatofocusing, partial purification 2.6.1.45 ammonium sulfate, DEAE-Sephacel, phenyl-Sepharose, CM-toyopearl, Cellulofine 2.6.1.45 DEAE-cellulose, agarose gel, Brushite, Sephadex g-200, partial purification 2.6.1.45 Ni-NTA column chromatography 2.6.1.45 partial 2.6.1.45 pH 5.4, polyethylene glycol 6000, DEAE-Sephadex A25, Sephacryl S-300, partial purification 2.6.1.45 polyethyleneimine, ammonium sulfate, Ultrogel AcA 34, DEAE-cellulose, isoenzymes A and B 2.6.1.45 recombinant enzyme 2.6.1.45 recombinant His-tagged enzyme from Escherichia coli strain Rosetta (DE3) by nickel affinity chromatography