Skip to main content
Evidence Snapshot

Muscarinic acetylcholine receptor M4

CHEMBL317 SINGLE PROTEIN Rattus norvegicus
Source Header

ChEMBL 36 via Core Engine

Target Snapshot 2026-09-14T03:22:09Z
Source · ChEMBL 36 via Core Engine
ChEMBL ChEMBL 36 CHEMBL317
Identity Layer

Cross-source identity

Keep the review anchor, source IDs, and context contract aligned before reusing this target elsewhere.

This review treats Muscarinic acetylcholine receptor M4 as ChEMBL target CHEMBL317, mapped to UniProt P08485. Disease framing currently uses the Open Targets-ready proxy contract.

Review anchor
Muscarinic acetylcholine receptor M4
SINGLE PROTEIN · Rattus norvegicus
As of 2026-09-14
ChEMBL target ID
CHEMBL317
Primary anchor for compounds, assays, approvals, and exports
ChEMBL 36 via Core Engine As of 2026-09-14
www.ebi.ac.uk
UniProt accession
P08485
Muscarinic acetylcholine receptor M4
UniProt accession via ChEMBL component mapping As of 2026-09-14
www.uniprot.org
Disease evidence contract
Open Targets-ready proxy
ChEMBL drug mechanism + indication proxy
ChEMBL drug mechanism + indication proxy As of 2026-09-14
www.ebi.ac.uk

Reuse the same identifiers in notes, watch rules, exports, and review packs so provenance stays stable across surfaces.

Review-ready Target Rationale

Why Muscarinic acetylcholine receptor M4 matters

As of 2026-09-14

Muscarinic acetylcholine receptor M4 is reviewed as Muscarinic acetylcholine receptor M4 (UniProt P08485); the current evidence base includes 6 approved drugs, 376 compounds, and 96 assays, with lead potency reaching pChEMBL 9.4.

Disease context
Disease signal

Disease relevance is not yet populated for this evidence card.

This disease block keeps the Open Targets-ready contract explicit while current evidence comes from ChEMBL mechanism and indication mappings.

ChEMBL target record
Activity base
Portfolio and assay base

ChEMBL currently tracks 6 approved drugs, 376 compounds, and 96 assays for this target. The dominant activity type is EC50. CHEMBL127587 is the current potency anchor at pChEMBL 9.4.

Use CHEMBL127587 as the tractability anchor when discussing potency (pChEMBL 9.4).

Activity source · ChEMBL 36 via Core Engine
6 approved pChEMBL 9.4
Source Guidance

Start with the right source

Pick the first block or linked source that matches the review question in front of you.

Need the shortest review narrative first?
Review-ready Target Rationale
One-page rationale with as-of-date and attribution

Start with the review rationale when you need to explain why Muscarinic acetylcholine receptor M4 matters before drilling into raw source blocks.

Jump to Review Rationale
Need stable protein naming or accession mapping?
UniProt Target Context
UniProt accession via ChEMBL component mapping

Go back to the target snapshot when you need the naming and mapping contract behind UniProt P08485, not just the summarized rationale.

Open Protein Context
Need disease fit or evidence level for program framing?
Disease Relevance & Evidence Level
ChEMBL drug mechanism + indication proxy

Use the target snapshot disease block when you need the disease program and supporting signals, not only the card summary.

Open Disease Context

Snapshot State

No project snapshot selected. Export uses the live evidence card state.

376
Total Compounds
96
Total Assays
6
Approved Drugs
IC50: 40.0, KI: 84.0, EC50: 253.0, KD: 6.0
Activity Types

pChEMBL Activity Distribution

Top 5 Inhibitors (by pChEMBL)

Structure Compound pChEMBL Type Phase
No preferred name
CHEMBL127587
 9.4 Kd —
No preferred name
CHEMBL76897
 9.3 Ki —
No preferred name
CHEMBL517712
 9.3 Ki Approved
No preferred name
CHEMBL2449003
 9.2 Ki —
No preferred name
CHEMBL131865
 8.8 Ki —

Approved Drugs

Structure Compound First Approval
TOLTERODINE
CHEMBL1382
 1998
METHACHOLINE
CHEMBL978
 1986
CARBACHOL
CHEMBL14
 1972
ATROPINE
CHEMBL517712
 1960
← Target Page
Source Header

ChEMBL 36 via Core Engine

Target Snapshot 2026-09-14T03:22:09Z
Source · ChEMBL 36 via Core Engine
ChEMBL ChEMBL 36 CHEMBL317