alpha-maltohexaose + beta-maltose = alpha-maltoheptaose + beta-D-glucose
alpha-maltohexaose + beta-maltose = alpha-maltoheptaose + beta-d-glucose
alpha-maltohexaose + beta-maltose = alpha-maltoheptaose + beta-D-glucose
alpha-maltohexaose + beta-maltose = alpha-maltoheptaose + beta-d-glucose