2.7.4.25	-	
2.7.4.25	anionic-exchange column chromatography, gel filtration, and anionic-exchange resin column chromatography	
2.7.4.25	blue Sepharose column chromatography and Ultrogel AcA54 gel filtration	
2.7.4.25	Ni-NTA column chromatography	
2.7.4.25	of the recombinant protein	
2.7.4.25	of the recombinant proteins