includes 1550 ul of 10 x Buffer, 160 ul of 100 x Template, 160 ul of 100 x NTPs (50 mM ATP and 50 mM GTP) and 1550 ul of 10 x fluorescence dye. It is for 500 assays of virus RNA polymerase in a 384-well plate format. The assay includes all reagents except the enzyme.