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