3.5.4.5	-	209492, 209526, 209528, 209529, 209530, 209531, 209532, 209533, 209641, 209644, 209648, 209649, 209653, 209655, 209656, 209658, 209659, 209660, 209661, 209663, 209664, 209665, 209666, 209668, 650635, 654757, 657220	
3.5.4.5	Ni-NTA column chromatography	711824, 712721	
3.5.4.5	nickel chelating affinity column chromatography	734018	
3.5.4.5	Q Sepharose column chromatography, Sephacryl S-200 gel filtration, and butyl-Sepharose column chromatography	712889	
3.5.4.5	recombinant enzyme from Escherichia coli strain BL21 by two steps of anion exchange chromatography, and gel filtration	667736	
3.5.4.5	recombinant enzyme partially from 3T3 NIH and 3T3-CD3-V5 cells by ammonium sulfate fractionation	685915	
3.5.4.5	recombinant protein	755377	
3.5.4.5	recombinant wild-type enzyme by affinity chromatography on a cytidine analog 6-[3,5(cytidyl) acryloylamino]hexanoic acid resin, recombinant inactive mutants by anion exchange chromatography, ultrafiltration, and gel filtration	689935