Target intelligence / Profile preview

Herpes Simplex Virus DNA Polymerase (HSV DNA polymerase)

Target
HSV DNA polymerase
Molecular classification
Enzyme, DNA polymerase, Viral protein
01

Overview

Herpes simplex virus (HSV) DNA polymerase is a key enzyme required for the replication of the viral genome during productive infection of HSV-1 and HSV-2. It is encoded by the UL30 gene and forms a holoenzyme with the UL42 processivity factor. The enzyme possesses DNA polymerase, 3'-5' exonuclease (proofreading), and ribonuclease H activities. It is the primary target for antiviral drugs like acyclovir, but resistance can develop through mutations in UL30 or viral kinases.

Other names
UL30Pol/UL30HSV-1 DNA polymeraseHSV-2 DNA polymerase
02

Mechanism of action

Inhibition of viral DNA polymerase activity, leading to chain termination during DNA synthesis.

03

Biological functions

Viral genome replicationDNA synthesisProofreading (3'-5' exonuclease activity)Ribonuclease H activity
04

Disease associations

InfectionHerpes simplex virus infectionViral disease
05

Safety considerations

Drug resistanceNephrotoxicity (with some nucleoside analogues)
06

Interacting drugs

Acyclovir

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