1.4.3.19 - 1.4.3.19 100 kDa ultrafiltration, HisTrap FF Ni2+-chelating affinity column chromatography, and phenyl-Sepharose FF hydrophobic column chromatography 1.4.3.19 ammonium sulfate precipitation, Resource Q column chromatography and Resource ISO column chromatography 1.4.3.19 GST-bind resin column chromatography 1.4.3.19 GST-Bind resin column chromatography and Superdex 200 gel filtration 1.4.3.19 His-Trap column chromatography, and Superdex 200 gel filtration 1.4.3.19 HiTrap chelating affinity chromatography 1.4.3.19 HiTrap chelating column chromatography 1.4.3.19 HiTrap FF chelating affinity column chromatography and phenyl-Sepharose FF hydrophobic column chromatography 1.4.3.19 purification of apoprotein