1.8.2.4	ammonium sulfate precipitation, DEAE-Sepharose column chromatography, hydroxyapatite column chromatography, and Sephacryl S-200 gel filtration	714886	
1.8.2.4	ammonium sulfate precipitation, SP-Sepharose column chromatography, gel filtration	715664	
1.8.2.4	Poros 20HQ Strong anion exchange column chromatography and gel filtration	716248