This product includes the reagents for100 assays in a 384-well plate assay format including 0.400 ml of 10 x Assay buffer, 0.035 ml of 100 x PEP, 0.035 ml of 100 x UDP-N-acetyl glucosamine (UGN), 0.035 ml of 100 x E. coli MurA (5000 nM) and 5 ml of Dye for phosphate detection.