This product includes all the reagents for 100 assays of E. coli PNPase in a 384-well plate format. The This product includes 400 ul of 10 x Buffer, 33 ul of 100 x RNA Template, 33 ul of 100 x NTPs (50 mM ATP and 50 mM GTP), 330 ul of 10 x fluorescence dye and 33 ul of 100 xE. coli PNPase (25 uM).