Abstract
Herpes simplex virus DNA polymerase mutations which map in the N-terminal part of the protein and appear to alter deoxynucleoside triphosphate (dNTP) substrate specificity are described. These mutations suppress a drug hypersensitivity associated with the downstream mutation, Aphr10. We suggest that the mutant residues form part of the dNTP-binding site, a site previously thought to be confined to the C terminus.
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