D-maltopentaose + H2O = D-maltotetraose + alpha-D-glucose
d-maltopentaose + h2o = d-maltotetraose + alpha-d-glucose
D-maltopentaose + H2O = D-maltotetraose + alpha-D-glucose
d-maltopentaose + h2o = d-maltotetraose + alpha-d-glucose