Use UniProt Q8JXU8 as the stable identity anchor, then attach disease evidence before program review.
CHEMBL5375 Target Snapshot
Hepatitis C virus NS5B RNA-dependent RNA polymerase · SINGLE PROTEIN · Hepatitis C virus
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As of 2026-09-13Protein identity stays anchored to UniProt Q8JXU8. Use UniProt Q8JXU8 as the stable identity anchor, then attach disease evidence before program review.
RNA-directed RNA polymerase
Review this target as Hepatitis C virus NS5B RNA-dependent RNA polymerase, mapped to UniProt Q8JXU8. ChEMBL maps the protein component as RNA-directed RNA polymerase. Sequence length is 231 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats Hepatitis C virus NS5B RNA-dependent RNA polymerase as ChEMBL target CHEMBL5375, mapped to UniProt Q8JXU8. Disease framing currently uses the Open Targets-ready proxy contract.
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| Preferred Name | Hepatitis C virus NS5B RNA-dependent RNA polymerase |
| Target Type | SINGLE PROTEIN |
| Organism | Hepatitis C virus |
| UniProt | Q8JXU8 |
Next Actions
UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | RNA-directed RNA polymerase |
| UniProt Accession | Q8JXU8 |
| Component Type | Protein |
| Sequence Length | 231 aa |
RNA-directed RNA polymerase
How to read this target
Review this target as Hepatitis C virus NS5B RNA-dependent RNA polymerase, mapped to UniProt Q8JXU8. ChEMBL maps the protein component as RNA-directed RNA polymerase. Sequence length is 231 aa.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL3545363 | 10.28 | Ki | 0.053 | Approved |
| CHEMBL230744 | 8.52 | IC50 | 3.0 | Preclinical |
| CHEMBL3039514 | 8.52 | EC50 | 3.0 | Approved |
| CHEMBL509746 | 8.3 | IC50 | 5.0 | Preclinical |
| CHEMBL5937877 | 8.3 | EC50 | 5.0 | Preclinical |
| CHEMBL5889149 | 8.22 | EC50 | 6.0 | Preclinical |
| CHEMBL490672 | 8.15 | IC50 | 7.0 | Clinical |
| CHEMBL489295 | 7.92 | IC50 | 12.0 | Preclinical |
| CHEMBL490671 | 7.8 | IC50 | 16.0 | Preclinical |
| CHEMBL5783938 | 7.47 | EC50 | 34.0 | Preclinical |
pChEMBL Value Distribution
Approved Drugs
Assay Landscape
Binding — 10 assays, 56 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| single protein format | 9 | 18 | 6.7 |
| assay format | 1 | 38 | 6.4 |