2.8.2.15 - 645723, 645724, 645726, 645728, 645729, 645731, 660901, 661469, 724741 2.8.2.15 DE-52 column chromatography and hydroxyapatite column chromatography 738099 2.8.2.15 DE52 anion exchange column chromatography and hydroxyapatite column chromatography 724113 2.8.2.15 male-specific enzyme 645730 2.8.2.15 Ni-NTA agarose column chromatography 702138 2.8.2.15 Ni-NTA column chromatography 706919 2.8.2.15 Ni-NTA column chromatography and Protein A-Sepharose column chromatography 673295 2.8.2.15 partial 645722, 645725, 645727 2.8.2.15 recombinant enzyme, expressed in Escherichia coli 645737, 645738 2.8.2.15 recombinant His-tagged full-length SULT2B1b as well as truncated SULT2B1b without the PSC extension from Escherichia coli strain DH5alpha by nickel affinity chromatography 673295