label: 5-methyltetrahydropteroyltri-L-glutamate + L-homocysteine => tetrahydropteroyltri-L-glutamate + L-methionine
label_lc: 5-methyltetrahydropteroyltri-l-glutamate + l-homocysteine => tetrahydropteroyltri-l-glutamate + l-methionine