D-maltose + 2 phosphate => 2 alpha-D-glucose 1-phosphate + H2O
d-maltose + 2 phosphate => 2 alpha-d-glucose 1-phosphate + h2o
D-maltose + 2 phosphate => 2 alpha-D-glucose 1-phosphate + H2O
d-maltose + 2 phosphate => 2 alpha-d-glucose 1-phosphate + h2o