4.1.1.112	-	4263, 4268, 4269, 4272, 4273, 4276, 4283, 653877, 654328, 663795, 692317, 715662, 748206, 756006	
4.1.1.112	ammonium sulfate precipitation, HiPrep column chromatography, Mono Q column chromatography, and Superdex-200 gel filtration	704327	
4.1.1.112	avidin-Sepharose column chromatography	716673	
4.1.1.112	DEAE-cellulose column chromatography, phenyl-Sepharose columnn chromatography, and butyl-Sepharose column chromatography	678331	
4.1.1.112	enzyme from Vibrio cholerae and heterologously expressed enzyme	663796	
4.1.1.112	Ni-NTA column chromatography and Superdex G-200 gel filtration	713674	
4.1.1.112	Ni2+-bounded affinity column chromatography	714979	
4.1.1.112	Ni2+-NTA-agarose column chromatography	681424	
4.1.1.112	partial	4270, 4271	
4.1.1.112	recombinant	664936