label: L-selenohomocysteine + 5-methyltetrahydropteroyltri-L-glutamate => tetrahydropteroyltri-L-glutamate + L-selenomethionine
label_lc: l-selenohomocysteine + 5-methyltetrahydropteroyltri-l-glutamate => tetrahydropteroyltri-l-glutamate + l-selenomethionine