EC Number |
Substrates |
Organism |
Products |
Reversibility |
---|
2.1.1.383 | gamma-butyrobetaine + cob(I)alamin |
reaction rate is considerably lower than the rate of the enzyme with L-carnitine |
Eubacterium limosum |
methylcob(I)alamin + 4-(dimethylamino)butanoate |
- |
? |
2.1.1.383 | L-carnitine + Co(I)-MtqC |
MtqC i.e. a corrinoid-binding protein |
Eubacterium limosum |
methyl-Co(I)-MtqC + L-norcarnitine |
- |
? |
2.1.1.383 | L-carnitine + cob(I)alamin |
- |
Eubacterium limosum |
methylcob(I)alamin + L-norcarnitine |
- |
? |
2.1.1.383 | more |
recombinant MtcB methylates either cob(I)alamin or Co(I)-MtqC in the presence of L-carnitine and, to a much lesser extent, gamma-butyrobetaine. No methyl donors: choline, glycine betaine, proline betaine, trimethylamine, or tetramethylammonium |
Eubacterium limosum |
? |
- |
- |