The Human BLM Helicase ATPase assay Kit Plus (Catalog No.  BLM100ATP) includes 400 ul of 10 x assay buffer, 30 µl of 100 x DNA, 30 µl of 100 x BLM helicase, 30 µl of 100 x ATP and 5 ml of dye for 100 assays in a 384-well assay format or 50 assays in 96-well assay format.