Target intelligence / Profile preview

Hepatitis B Virus Genome (HBV Genome)

Target
HBV Genome
Molecular classification
Viral Genome, DNA
01

Overview

The Hepatitis B virus (HBV) genome is a partially double-stranded, circular DNA molecule approximately 3.2 kilobases (kb) in length. It contains four major overlapping open reading frames (ORFs): S, C, P (Pol), and X, encoding essential viral proteins. The genome replicates via an RNA intermediate and reverse transcription. The covalently closed circular DNA (cccDNA) form persists in infected hepatocytes, serving as a reservoir responsible for chronic infection and remains untargeted by current antiviral therapies.

Other names
HBV DNAHepatitis B viral genomercDNAcccDNA
02

Mechanism of action

HBV Polymerase inhibitors; Interferon stimulates immune response

03

Biological functions

Viral replicationViral protein synthesisViral persistence
04

Disease associations

Hepatitis BChronic Hepatitis BLiver cirrhosisHepatocellular carcinoma
05

Safety considerations

Drug resistanceAdverse effects of antiviral drugsReactivation of HBV infectionPersistence of cccDNA
06

Interacting drugs

Entecavir

5 more in the full profile.

07

Biomarkers

HBV DNA levelsHBsAgHBeAgALT levelsAST levels

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