Use UniProt P03905 as the stable identity anchor, then attach disease evidence before program review.
CHEMBL4499 Target Snapshot
NADH-ubiquinone oxidoreductase chain 4 · SINGLE PROTEIN · Homo sapiens
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As of 2026-09-14Protein identity stays anchored to UniProt P03905. Use UniProt P03905 as the stable identity anchor, then attach disease evidence before program review.
NADH-ubiquinone oxidoreductase chain 4
Review this target as NADH-ubiquinone oxidoreductase chain 4, mapped to UniProt P03905. Sequence length is 459 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats NADH-ubiquinone oxidoreductase chain 4 as ChEMBL target CHEMBL4499, mapped to UniProt P03905. Disease framing currently uses the Open Targets-ready proxy contract.
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Start here when your first question is whether NADH-ubiquinone oxidoreductase chain 4 is the right protein anchor across sources, using UniProt P03905 as the stable mapping.
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Open Review-ready CardBasic Information
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| Preferred Name | NADH-ubiquinone oxidoreductase chain 4 |
| Target Type | SINGLE PROTEIN |
| Organism | Homo sapiens |
| UniProt | P03905 |
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UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | NADH-ubiquinone oxidoreductase chain 4 |
| UniProt Accession | P03905 |
| Component Type | Protein |
| Sequence Length | 459 aa |
NADH-ubiquinone oxidoreductase chain 4
How to read this target
Review this target as NADH-ubiquinone oxidoreductase chain 4, mapped to UniProt P03905. Sequence length is 459 aa.
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL429023 | 8.46 | IC50 | 3.5 | Preclinical |
| CHEMBL154388 | 7.8 | IC50 | 16.0 | Preclinical |
| CHEMBL347114 | 7.77 | IC50 | 17.0 | Preclinical |
| CHEMBL357929 | 7.1 | IC50 | 80.0 | Preclinical |
| CHEMBL1794895 | 6.44 | IC50 | 360.0 | Preclinical |
| CHEMBL5653589 | 6.19 | Kd | 648.98 | Preclinical |
pChEMBL Value Distribution
Assay Landscape
Functional — 5 assays, 0 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| assay format | 5 | 0 | — |
Binding — 2 assays, 6 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| single protein format | 2 | 6 | 7.3 |