3.4.17.10 - 81296, 81298, 81299, 81304, 81306, 81308 3.4.17.10 ion exchange, heparin affinity and gel filtration chromatography 731936 3.4.17.10 native enzyme from brain to homogeneity by 4-aminobenzoyl affinity chromatography 668816 3.4.17.10 native enzyme from pituitary to homogeneity from pituitary gland by 4-aminobenzoyl-Arg affinity chromatography with elution at pH 8.0 668816 3.4.17.10 partial 81290 3.4.17.10 partially by isolation of beta-islet cells 668420 3.4.17.10 recombinant GST-fusion protein from Escherichia coli strain BL21(DE3) by glutathione affinity, native pro- or mature enzyme from AtT20 cells, best at pH 5.5 in presence of Ca2+ by GST-secretogranin III affinity 669586