1.14.14.3	-	348579, 348582, 348594, 348599, 348604, 348606, 348607, 348608	
1.14.14.3	affinity methods	348560	
1.14.14.3	DEAE-Sepharose column chromatography, Superdex 200 gel filtration, and Mono Q column chromatography	728435	
1.14.14.3	HPLC	348561	
1.14.14.3	nickel affinity column	698992	
1.14.14.3	on a nickel affinity column, to more than 90% purity	702318	
1.14.14.3	on nickel affinity column, to more than 90% purity	704579	
1.14.14.3	preparation of enzyme with modified subunits	348584	
1.14.14.3	preparation of subunits	348583	
1.14.14.3	recombinant enzyme from Escherichia coli	658147