alpha-maltotetraose + beta-maltose => alpha-maltopentaose + beta-D-glucose
alpha-maltotetraose + beta-maltose => alpha-maltopentaose + beta-d-glucose
alpha-maltotetraose + beta-maltose => alpha-maltopentaose + beta-D-glucose
alpha-maltotetraose + beta-maltose => alpha-maltopentaose + beta-d-glucose