label: Co(I)-[glycine betaine-specific corrinoid protein] + glycine betaine + H(+) => methyl-Co(III)-[glycine betaine-specific corrinoid protein] + N,N-dimethylglycine
label_lc: co(i)-[glycine betaine-specific corrinoid protein] + glycine betaine + h(+) => methyl-co(iii)-[glycine betaine-specific corrinoid protein] + n,n-dimethylglycine