2.4.2.29	-	
2.4.2.29	His-tagged TGT purified by Ni2+ affinity chromatography	
2.4.2.29	His-Talon column chromatography and Superdex S200 gel filtration	
2.4.2.29	mutant enzyme S90F, S90C and S90A	
2.4.2.29	wild-type and mutant enzymes D89E, D89D, D89C and D89A