6.5.1.8	-	715658	
6.5.1.8	His60 Ni Superflow resin column chromatography and Superose-200 gel filtration	749278	
6.5.1.8	Ni-NTA column chromatography, and HiTrap heparin column chromatography	748780	
6.5.1.8	nickel affinity column chromatography and gel filtration	748786	
6.5.1.8	nickel-agarose column chromatography	748103