This product includes160 ul of 10 x Buffer T2, 84 ul of 10 x relaxed DNA, 3 ul of 4500 x H19 dye, 90 ul of 10 x ATP, 10 ul 7.5 uM S. aureus gyrase, 180 ul of 2 M potassium glutamate and 550 ul of 10 x H19 dilution buffer. It is for 20 assays in a 96-well plate format.