2.1.1.258	0.00003	-	methylcobalamin	mutant enzyme N199A, at pH 8.4 and 55°C	719846	
2.1.1.258	0.005	-	[Co(I) corrinoid Fe-S protein]	mutant enzyme N199A, in 0.1 M potassium succinate, pH 5.0, 60 mM NaCl, at 25°C	719846	
2.1.1.258	0.02	-	[methyl-Co(III) corrinoid Fe-S protein]	kcat below 0.02 s(-1), in 1 mM Tris-HCl (pH 7.6), at 25°C	718823	
2.1.1.258	0.05	-	methylcobalamin	wild type enzyme, at pH 8.4 and 55°C	719846	
2.1.1.258	1.1	-	hydroxocobalamin	in 1 mM Tris-HCl (pH 7.6), at 25°C	718823	
2.1.1.258	1.1	-	[Co(I) corrinoid Fe-S protein]	wild type enzyme, in 0.1 M potassium succinate, pH 5.0, 60 mM NaCl, at 25°C	719846	
2.1.1.258	1.5	-	5-methyltetrahydrofolate	using hydroxocobalamin as cosubstrate, in 1 mM Tris-HCl (pH 7.6), at 25°C	718823	
2.1.1.258	2.2	-	methylcobalamin	in 1 mM Tris-HCl (pH 7.6), at 25°C	718823	
2.1.1.258	2.63	-	Cobalamin	25°C, pH 5.1	728242	
2.1.1.258	14.7	-	5-methyltetrahydrofolate	in 50 mM MES, pH 5.1, at 25°C	717236