4.2.3.9	-	644238, 679187, 679218, 682223, 693062, 705304, 706047	
4.2.3.9	His-bind Ni2+ column chromatography, Mono Q column chromatography, and Superdex 200 gel filtration	746589	
4.2.3.9	mutant enzyme Y92C and Y92A	644243	
4.2.3.9	native and recombinant enzyme	644244	
4.2.3.9	Ni-NTA column chromatography, HiTrap Q column chromatography, and Superdex 26/60 gel filtration	747103	
4.2.3.9	Proteins are extracted from the inclusion bodies and purified following established protocols, each enzyme is pure as judged by SDS-gel electrophoresis	694515	
4.2.3.9	recombinant enzyme	644240	
4.2.3.9	using DE52 anion exchange resin, a methyl HIC, a Sephadex G-25, and a High Q column	678256	
4.2.3.9	wild-type and mutant enzymes	644242