alpha-maltopentaose + phosphate => alpha-maltotetraose + alpha-D-glucose 1-phosphate
alpha-maltopentaose + phosphate => alpha-maltotetraose + alpha-d-glucose 1-phosphate
alpha-maltopentaose + phosphate => alpha-maltotetraose + alpha-D-glucose 1-phosphate
alpha-maltopentaose + phosphate => alpha-maltotetraose + alpha-d-glucose 1-phosphate