label: methyl-Co(III)-[glycine betaine-specific corrinoid protein] + (6S)-5,6,7,8-tetrahydrofolate <=> Co(I)-[glycine betaine-specific corrinoid protein] + (6S)-5-methyl-5,6,7,8-tetrahydrofolate + H(+)
label_lc: methyl-co(iii)-[glycine betaine-specific corrinoid protein] + (6s)-5,6,7,8-tetrahydrofolate <=> co(i)-[glycine betaine-specific corrinoid protein] + (6s)-5-methyl-5,6,7,8-tetrahydrofolate + h(+)