label: tetramethylammonium + Co(I)-[tetramethylammonium-specific corrinoid protein] + H(+) <=> methyl-Co(III)-[tetramethylammonium-specific corrinoid protein] + trimethylamine
label_lc: tetramethylammonium + co(i)-[tetramethylammonium-specific corrinoid protein] + h(+) <=> methyl-co(iii)-[tetramethylammonium-specific corrinoid protein] + trimethylamine