2.1.1.34	-	637158	
2.1.1.34	affinity chromatography on S-adenosyl-L-homocysteine-Sepharose, elution with 6 M urea	637157	
2.1.1.34	gel filtration, more than 99% pure	671082	
2.1.1.34	native and recombinant from Escherichia coli	637164	
2.1.1.34	wild-type and mutants purified by gel filtration, mutants R11A and R166A purified by repeated ion-exchange chromatography, to homogeneity	674692