The Human DNA Polymerase Beta Pyrophosphate Assay Kit Plus (Catalog No.  DPB100KEP) includes all the assay kit components for 100 assays in 384-well plate assay format: 400 ml of 10 x Buffer, 33 ml of 100 x DNA, 33 ml of 100 x dNTP,  33 ml of 100 x human DNA polymerase beta catalytic domain, 33 ml of 100 x pyrophosphatase (PPase) and 6 ml of Dye.