Protein / target

RNA-directed RNA polymerase

NS5bO39930Hepacivirus hominis
30
Clinical trials
1
Drugs targeting

Protein at a glance

Biological role

RNA-directed RNA polymerase activity

Derived from structured UniProt, Open Targets and literature data on this page.

Protein profile

UniProt 2026_02

Canonical identity and biological annotation from UniProt.

Domains and Gene Ontology detail (9)

Domains & features

RdRp catalytic

Gene Ontology

  • FATP binding
  • FATP hydrolysis activity
  • FRNA binding
  • FRNA helicase activity
  • FRNA-directed RNA polymerase activity
  • Fserine-type peptidase activity
  • Pproteolysis
  • Pviral RNA genome replication

591 aa · 66 kDa

Biological roles

What this protein does, drawn together from its UniProt function, Gene Ontology terms and Reactome pathways.

ProteolysisGO
View supporting evidence

Proteolysis

  • ·serine-type peptidase activity
  • ·proteolysis

Concepts derived from UniProt GO Reactome — each badge above shows which sources supported that role.

Drugs targeting this protein

1

Whether each drug engages this protein directly or through a complex, and how many other targets are recorded for it. Direct binders with few recorded targets are listed first.

Ribavirin
Narrow target profileInhibitor

RNA-directed RNA polymerase inhibitor

Direct interaction with this protein · 1 of 2 recorded protein targets — narrow recorded profile

ChEMBL mechanism, action type and target identity. Open Targets clinical status and indications.

Clinical trials

30

Trials of drugs that target this protein — reached indirectly through those drugs, so a trial listed here studies the drug, not the protein.

Show remaining trials (24)

ClinicalTrials.gov via the drug-target graph.

What's happening now

26

Recent activity around this target, drawn from one canonical event stream. Every item is reached through a drug that targets this protein, so each event is news about that drug rather than about the protein directly.

  1. Withdrawn from market2023-10-18

    Market withdrawal: Rebetol (EMA)

    ema · market · ema · via Ribavirin

  2. New publication2020-04-10
    Novel coronavirus treatment with ribavirin: Groundwork for an evaluation concerning COVID-19.

    Journal of medical virology · 2020 · 185 citations · Europe PMC · via Ribavirin

  3. New publication2019-05-06
    Efficacy and safety of ombitasvir/paritaprevir/ritonavir and dasabuvir with low-dose ribavirin in patients with chronic hepatitis C virus genotype 1a infection without cirrhosis.

    Journal of viral hepatitis · 2019 · 2 citations · Europe PMC · via Ribavirin

  4. New publication2018-11-17
    Safety and Efficacy of Ledipasvir-Sofosbuvir With or Without Ribavirin for Chronic Hepatitis C in Children Ages 6-11.

    Hepatology (Baltimore, Md.) · 2018 · 60 citations · Europe PMC · via Ribavirin

  5. New publication2018-03-14
    Efficacy and safety of 12 weeks of elbasvir ± grazoprevir ± ribavirin in participants with hepatitis C virus genotype 2, 4, 5 or 6 infection: The C-SCAPE study.

    Journal of viral hepatitis · 2018 · 21 citations · Europe PMC · via Ribavirin

  6. New publication2017-12-26
    Quality of life in adolescents with hepatitis C treated with sofosbuvir and ribavirin.

    Journal of viral hepatitis · 2018 · 18 citations · Europe PMC · via Ribavirin

  7. New publication2017-08-26
    Sofosbuvir and ribavirin in adolescents 12-17 years old with hepatitis C virus genotype 2 or 3 infection.

    Hepatology (Baltimore, Md.) · 2017 · 65 citations · Europe PMC · via Ribavirin

  8. New publication2017-08-10
    Safety and efficacy of a fixed-dose combination regimen of grazoprevir, ruzasvir, and uprifosbuvir with or without ribavirin in participants with and without cirrhosis with chronic hepatitis C virus genotype 1, 2, or 3 infection (C-CREST-1 and C-CREST-2, part B): two randomised, phase 2, open-label trials.

    The lancet. Gastroenterology & hepatology · 2017 · 12 citations · Europe PMC · via Ribavirin

  9. New publication2016-10-05
    Effectiveness of Elbasvir and Grazoprevir Combination, With or Without Ribavirin, for Treatment-Experienced Patients With Chronic Hepatitis C Infection.

    Gastroenterology · 2017 · 126 citations · Europe PMC · via Ribavirin

  10. New publication2016-10-01
    Vaniprevir plus peginterferon alfa-2b and ribavirin in treatment-experienced Japanese patients with hepatitis C virus genotype 1 (GT1b) infection: Phase 3 studies.

    Journal of gastroenterology and hepatology · 2016 · 2 citations · Europe PMC · via Ribavirin

  11. New publication2016-07-30
    Efficacy of Sofosbuvir, Velpatasvir, and GS-9857 in Patients With Genotype 1 Hepatitis C Virus Infection in an Open-Label, Phase 2 Trial.

    Gastroenterology · 2016 · 39 citations · Europe PMC · via Ribavirin

  12. New publication2016-06-12
    Efficacy and safety of grazoprevir + ribavirin for 12 or 24 weeks in treatment-naïve patients with hepatitis C virus genotype 1 infection.

    Journal of viral hepatitis · 2016 · 10 citations · Europe PMC · via Ribavirin

Objective event titles are shown unmodified; the event kind and significance line are derived from structured fields. Forefront AttentionEvent stream aggregating Europe PMC Regulatory filings ClinicalTrials.gov.