| Assay Method Information | |
| | CMV and HSV Polymerase Biochemical Assay |
| Description: | DNA polymerase activity was measured using a molecular beacon-based assay, as described in Ma et. al. 100 pM CMV polymerase or 625 pM HSV polymerase was added to a buffer containing 20 mM Tris, pH=7.5, 100 mM NaCl, 10 mM MgCl2, 0.01% Tween-20, 0.5 mM EDTA, 10% Sucrose and 1 mM DTT. The inhibitor was pre-incubated with the polymerase for 30 minutes at room temperature. Reactions were initiated by the addition of a mixture containing 1.25 uM dATP, 1.25 uM dCTP, 1.25 uM dTTP, 1.25 uM dGTP, 200 nM Primer B (5′-GAC GGG AAG-3′5′-GAC GGG AAG-3′) and 100 nM molecular beacon (5′-5,6-FAM-CCT CTC CGT GTC TTG TAC TTC CCG TCA GAG AGG-BHQ1-3′) (SEQ ID NO: 16). For human CMV polymerase the reactions were incubated for 60 minutes at room temperature. For HSV polymerase the reactions were incubated for 20 minutes at room temperature. The reactions were then read on a Perkin-Elmer EnVision 2101 reader (fluorescence) using an excitation of 480 nm and emission of 535 nm. IC50s were determined using an internal Novartis software (Helios). |
| Affinity data for this assay | |
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