2.6.1.18	heat treatment, alumina C-gamma gel, protamine sulfate, ammonium sulfate	288059	
2.6.1.18	K-22, partial purification	636596	
2.6.1.18	nickel column chromatography	672713	
2.6.1.18	nickel Sepharose Hi-Performance column chromatography and Superdex 200 Hiload 16/60 gel filtration	671123	
2.6.1.18	recombinant His-tagged enzyme from Escherichia coli	759951	
2.6.1.18	recombinant His-tagged enzyme from Escherichia coli strain BL21	657597	
2.6.1.18	recombinant His-tagged enzyme from Escherichia coli strain BL21(DE3) by nickel affinity chromatography	759802	
2.6.1.18	recombinant His6-tagged wild-type and mutant enzymes from Escherichia coli strain BL21(DE3) by nickel affinity chromatography and ultrafiltration	759057	
2.6.1.18	using an Ni-NTA affinity column	723317	
2.6.1.18	using Ni-NTA chromatography	721893