Use UniProt P61169 as the stable identity anchor, then attach disease evidence before program review.
CHEMBL339 Target Snapshot
D(2) dopamine receptor · SINGLE PROTEIN · Rattus norvegicus
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As of 2026-09-13Protein identity stays anchored to UniProt P61169. Use UniProt P61169 as the stable identity anchor, then attach disease evidence before program review.
D(2) dopamine receptor
Review this target as D(2) dopamine receptor, mapped to UniProt P61169. Sequence length is 444 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats D(2) dopamine receptor as ChEMBL target CHEMBL339, mapped to UniProt P61169. Disease framing currently uses the Open Targets-ready proxy contract.
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Open Review-ready CardBasic Information
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| Preferred Name | D(2) dopamine receptor |
| Target Type | SINGLE PROTEIN |
| Organism | Rattus norvegicus |
| UniProt | P61169 |
Next Actions
UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | D(2) dopamine receptor |
| UniProt Accession | P61169 |
| Component Type | Protein |
| Sequence Length | 444 aa |
D(2) dopamine receptor
How to read this target
Review this target as D(2) dopamine receptor, mapped to UniProt P61169. Sequence length is 444 aa.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL98305 | 10.89 | EC50 | 0.013 | Preclinical |
| CHEMBL20734 | 10.85 | Kd | 0.014 | Clinical |
| CHEMBL267930 | 10.82 | Ki | 0.015 | Clinical |
| CHEMBL1169525 | 10.77 | Ki | 0.017 | Preclinical |
| CHEMBL289330 | 10.74 | Ki | 0.018 | Preclinical |
| CHEMBL308524 | 10.72 | Ki | 0.019 | Preclinical |
| CHEMBL42953 | 10.7 | Ki | 0.02 | Preclinical |
| CHEMBL2112608 | 10.7 | Ki | 0.02 | Preclinical |
| CHEMBL134400 | 10.64 | Ki | 0.023 | Preclinical |
| CHEMBL137648 | 10.64 | Ki | 0.023 | Preclinical |
pChEMBL Value Distribution
Approved Drugs
Assay Landscape
Binding — 785 assays, 4,391 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| single protein format | 206 | 1,311 | 7.1 |
| tissue-based format | 181 | 924 | 6.7 |
| assay format | 156 | 758 | 7.0 |
| cell membrane format | 153 | 858 | 7.0 |
| cell-based format | 72 | 455 | 7.0 |
| organism-based format | 16 | 82 | 8.6 |
| subcellular format | 1 | 3 | 5.6 |
Functional — 109 assays, 161 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| assay format | 29 | 45 | 7.3 |
| cell-based format | 27 | 53 | 7.0 |
| cell membrane format | 23 | 60 | 7.6 |
| organism-based format | 22 | 0 | — |
| tissue-based format | 8 | 3 | 6.0 |