1.7.1.2 - 208084, 208085, 208086, 208087, 208090, 208091, 208093, 208095, 208101, 208102 1.7.1.2 ammonium sulfate precipitation and blue-dextran-Sepharose column chromatography 697599 1.7.1.2 DEAE-Toyopearl 650M column chromatography, Sephacryl S-200 gel filtration and DEAE-cellulose DE-52 column chromatography 672297 1.7.1.2 partial 208097