5,6,7,8-tetrahydromethanopterin + L-serine => 5,10-methylenetetrahydromethanopterin + glycine + H2O
5,6,7,8-tetrahydromethanopterin + l-serine => 5,10-methylenetetrahydromethanopterin + glycine + h2o
5,6,7,8-tetrahydromethanopterin + L-serine => 5,10-methylenetetrahydromethanopterin + glycine + H2O
5,6,7,8-tetrahydromethanopterin + l-serine => 5,10-methylenetetrahydromethanopterin + glycine + h2o