ID 2.1.1.258 DE 5-methyltetrahydrofolate:corrinoid/iron-sulfur protein DE Co-methyltransferase. CA (6S)-5,6,7,8-tetrahydrofolate + methyl-Co(III)-[corrinoid Fe-S protein] = CA (6S)-5-methyl-5,6,7,8-tetrahydrofolate + Co(I)-[corrinoid Fe-S protein] + CA H(+). CC -!- Catalyzes the transfer of a methyl group from the N(5) group of CC methyltetrahydrofolate to the 5-methoxybenzimidazolylcobamide CC cofactor of a corrinoid/Fe-S protein. CC -!- Involved, together with EC 1.2.7.4 and EC 2.3.1.169, in the reductive CC acetyl coenzyme A (Wood-Ljungdahl) pathway of autotrophic carbon CC fixation in various bacteria and archaea. DR Q46389, ACSE_MOOTH ; //