5,10-methylenetetrahydrosulfopterin + glycine + H2O = tetrahydrosulfopterin + L-serine
5,10-methylenetetrahydrosulfopterin + glycine + h2o = tetrahydrosulfopterin + l-serine
5,10-methylenetetrahydrosulfopterin + glycine + H2O = tetrahydrosulfopterin + L-serine
5,10-methylenetetrahydrosulfopterin + glycine + h2o = tetrahydrosulfopterin + l-serine