5.3.3.2	-	
5.3.3.2	2 isoforms: I and II	
5.3.3.2	by affinity chromatography on Ni-NTA resin	
5.3.3.2	Co2+ column chromatography, and gel filtration	
5.3.3.2	cobalt column chromatography	
5.3.3.2	DEAE Sepharose column chromatography and Resource Phe column chromatograpyh	
5.3.3.2	His-Trap column chromatography	
5.3.3.2	Ni-NTA agarose column chromatography	
5.3.3.2	Ni-NTA agarose resin column chromatography	
5.3.3.2	Ni-NTA column chromatography