Start with chronic obstructive pulmonary disease, then reuse UniProt P20309 as the stable protein anchor across project notes and exports.
CHEMBL2094109 Target Snapshot
Muscarinic acetylcholine receptor · PROTEIN FAMILY · Homo sapiens
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As of 2026-09-13Muscarinic acetylcholine receptor shows approved-linked disease relevance led by chronic obstructive pulmonary disease. 5 more disease programs remain visible in the same review block. 2 linked drugs keep the current disease frame grounded. Protein identity stays anchored to UniProt P20309. Start with chronic obstructive pulmonary disease, then reuse UniProt P20309 as the stable protein anchor across project notes and exports.
Muscarinic acetylcholine receptor shows approved-linked disease relevance led by chronic obstructive pulmonary disease. 5 more disease programs remain visible in the same review block. 2 linked drugs remain visible in the same block.
Start review with chronic obstructive pulmonary disease because it currently carries approved-linked support. Linked drugs include DAROTROPIUM BROMIDE, GLYCOPYRRONIUM TOSYLATE. This disease block keeps the Open Targets-ready contract explicit while current evidence comes from ChEMBL mechanism and indication mappings.
Disease source · ChEMBL drug mechanism + indication proxyMuscarinic acetylcholine receptor M3
Review this target as Muscarinic acetylcholine receptor, mapped to UniProt P20309. ChEMBL maps the protein component as Muscarinic acetylcholine receptor M3. Sequence length is 590 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats Muscarinic acetylcholine receptor as ChEMBL target CHEMBL2094109, mapped to UniProt P20309. Disease framing currently uses the Open Targets-ready proxy contract.
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Start here when your first question is whether Muscarinic acetylcholine receptor is the right protein anchor across sources, using UniProt P20309 as the stable mapping.
Jump to Protein ContextUse this block first when you need to confirm why chronic obstructive pulmonary disease is currently framed as approved-linked support. It currently carries 2 linked drugs in the same disease frame.
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Open Review-ready CardBasic Information
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| Preferred Name | Muscarinic acetylcholine receptor |
| Target Type | PROTEIN FAMILY |
| Organism | Homo sapiens |
| UniProt | P20309 |
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UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | Muscarinic acetylcholine receptor M3 |
| UniProt Accession | P20309 |
| Component Type | Protein |
| Sequence Length | 590 aa |
Muscarinic acetylcholine receptor M3
How to read this target
Review this target as Muscarinic acetylcholine receptor, mapped to UniProt P20309. ChEMBL maps the protein component as Muscarinic acetylcholine receptor M3. Sequence length is 590 aa.
Disease Relevance & Evidence Level
Open Targets-ready disease context using the current target-indication evidence contract.
Muscarinic acetylcholine receptor shows approved-linked disease relevance led by chronic obstructive pulmonary disease. 5 more disease programs remain visible in the same review block.
How to read disease relevance
Start review with chronic obstructive pulmonary disease because it currently carries approved-linked support. Linked drugs include DAROTROPIUM BROMIDE, GLYCOPYRRONIUM TOSYLATE. This disease block keeps the Open Targets-ready contract explicit while current evidence comes from ChEMBL mechanism and indication mappings.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL318812 | 10.92 | Kd | 0.01202 | Preclinical |
| CHEMBL320611 | 10.46 | Kd | 0.03467 | Preclinical |
| CHEMBL12980 | 10.35 | Ki | 0.045 | Preclinical |
| CHEMBL320611 | 10.27 | Ki | 0.054 | Preclinical |
| CHEMBL287868 | 9.57 | Ki | 0.27 | Preclinical |
| CHEMBL331497 | 9.57 | Ki | 0.27 | Preclinical |
| CHEMBL321214 | 9.52 | Kd | 0.302 | Preclinical |
| CHEMBL517712 | 9.49 | Ki | 0.32 | Approved |
| CHEMBL318812 | 9.35 | Ki | 0.449 | Preclinical |
| CHEMBL321214 | 9.32 | Ki | 0.475 | Preclinical |
pChEMBL Value Distribution
Approved Drugs
Assay Landscape
Binding — 82 assays, 279 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| protein format | 65 | 147 | 6.5 |
| tissue-based format | 13 | 123 | 6.8 |
| cell-based format | 3 | 6 | 5.5 |
| assay format | 1 | 3 | 8.7 |
Functional — 46 assays, 106 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| tissue-based format | 24 | 56 | 6.3 |
| assay format | 16 | 29 | 6.5 |
| organism-based format | 4 | 0 | — |
| cell-based format | 2 | 21 | 5.1 |
ADME — 1 assays, 10 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell-based format | 1 | 10 | 5.0 |