Use UniProt P15823 as the stable identity anchor, then attach disease evidence before program review.
CHEMBL1907610 Target Snapshot
Adrenergic receptor alpha-1 · PROTEIN FAMILY · Rattus norvegicus
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As of 2026-09-12Protein identity stays anchored to UniProt P15823. Use UniProt P15823 as the stable identity anchor, then attach disease evidence before program review.
Alpha-1B adrenergic receptor
Review this target as Adrenergic receptor alpha-1, mapped to UniProt P15823. ChEMBL maps the protein component as Alpha-1B adrenergic receptor. Sequence length is 515 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats Adrenergic receptor alpha-1 as ChEMBL target CHEMBL1907610, mapped to UniProt P15823. 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 | Adrenergic receptor alpha-1 |
| Target Type | PROTEIN FAMILY |
| Organism | Rattus norvegicus |
| UniProt | P15823 |
Next Actions
UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | Alpha-1B adrenergic receptor |
| UniProt Accession | P15823 |
| Component Type | Protein |
| Sequence Length | 515 aa |
Alpha-1B adrenergic receptor
How to read this target
Review this target as Adrenergic receptor alpha-1, mapped to UniProt P15823. ChEMBL maps the protein component as Alpha-1B adrenergic receptor. Sequence length is 515 aa.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL2 | 10.99 | Kd | 0.01023 | Approved |
| CHEMBL2397832 | 10.51 | Kd | 0.0309 | Preclinical |
| CHEMBL2397831 | 10.41 | Kd | 0.0389 | Preclinical |
| CHEMBL47792 | 10.33 | Ki | 0.047 | Preclinical |
| CHEMBL3968791 | 10.28 | Ki | 0.052 | Preclinical |
| CHEMBL2114071 | 10.17 | Ki | 0.068 | Preclinical |
| CHEMBL309150 | 10.15 | Ki | 0.07 | Preclinical |
| CHEMBL2397833 | 10.1 | Kd | 0.07943 | Preclinical |
| CHEMBL118770 | 10.1 | Ki | 0.08 | Preclinical |
| CHEMBL50451 | 10.1 | Ki | 0.08 | Preclinical |
pChEMBL Value Distribution
Approved Drugs
Assay Landscape
Binding — 562 assays, 3,116 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| tissue-based format | 163 | 884 | 7.1 |
| assay format | 145 | 690 | 6.6 |
| protein format | 131 | 605 | 7.2 |
| cell membrane format | 109 | 919 | 7.1 |
| cell-based format | 8 | 9 | 6.9 |
| organism-based format | 5 | 5 | 8.0 |
| subcellular format | 1 | 4 | 8.3 |
Functional — 158 assays, 363 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| assay format | 82 | 225 | 6.8 |
| tissue-based format | 66 | 137 | 6.9 |
| organism-based format | 10 | 1 | 6.7 |
ADME — 6 assays, 37 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| assay format | 3 | 10 | 6.6 |
| cell membrane format | 2 | 23 | 6.8 |
| tissue-based format | 1 | 4 | 7.2 |