label: methyltetrahydrofolate:corrinoid/iron-sulfur protein methyltransferase activity
label_lc: methyltetrahydrofolate:corrinoid/iron-sulfur protein methyltransferase activity
description: "Catalysis of the reaction: a tetrahydrofolate + a [methyl-Co(III) corrinoid Fe-S protein] = an N5-methyl-tetrahydrofolate + a [Co(I) corrinoid Fe-S protein]."