This product includes 600 ul of 10 x assay buffer, 45 ul of 100 x DNA template, 45 ul of 100 x NTP mix and 850 ul of 10 x fluorescence dye for 100 assays of E. coli DNA primase reactions in a 96-well plate format or 200 assays in 384-well assay format. The kit does not include the enzyme.