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Target Snapshot

CHEMBL1907609 Target Snapshot

Muscarinic acetylcholine receptor · PROTEIN FAMILY · Rattus norvegicus

1,557Compounds
518Assays
25Approved Drugs
2,286.0Activities
Free Research Context

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Broader Open DB context

Frame the target before identity details

Structured disease, protein, and project context should read before the lower-level identity rail.

As of 2026-09-13

Protein identity stays anchored to UniProt P08482. Use UniProt P08482 as the stable identity anchor, then attach disease evidence before program review.

Review focus
Protein anchor ready

Use UniProt P08482 as the stable identity anchor, then attach disease evidence before program review.

ChEMBL component mapping + Open Targets-ready proxy + ChEMBL 36 via Core Engine 2026-09-13
Open source guide
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 as ChEMBL target CHEMBL1907609, mapped to UniProt P08482. Disease framing currently uses the Open Targets-ready proxy contract.

Review anchor
Muscarinic acetylcholine receptor
PROTEIN FAMILY · Rattus norvegicus
As of 2026-09-13
ChEMBL target ID
CHEMBL1907609
Primary anchor for compounds, assays, approvals, and exports
ChEMBL 36 via Core Engine As of 2026-09-13
www.ebi.ac.uk
UniProt accession
P08482
Muscarinic acetylcholine receptor M1
UniProt accession via ChEMBL component mapping As of 2026-09-13
www.uniprot.org
Disease evidence contract
Open Targets-ready proxy
ChEMBL drug mechanism + indication proxy
ChEMBL drug mechanism + indication proxy As of 2026-09-13
www.ebi.ac.uk

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

Source Guidance

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Choose the first block or source based on the question you are trying to answer.

Need stable target naming and protein identity?
UniProt Target Context
UniProt accession via ChEMBL component mapping

Start here when your first question is whether Muscarinic acetylcholine receptor is the right protein anchor across sources, using UniProt P08482 as the stable mapping.

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Disease Relevance & Evidence Level
ChEMBL drug mechanism + indication proxy

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Evidence Card
Review-ready rationale with source-aware context

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Overview

Basic Information

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UniProt Context

UniProt Target Context

Reviewable protein naming and mapping context for this target snapshot.

Protein LabelMuscarinic acetylcholine receptor M1
UniProt AccessionP08482
Component TypeProtein
Sequence Length460 aa

Muscarinic acetylcholine receptor M1

Source · UniProt accession via ChEMBL component mapping
Review Cue

How to read this target

Review this target as Muscarinic acetylcholine receptor, mapped to UniProt P08482. ChEMBL maps the protein component as Muscarinic acetylcholine receptor M1. Sequence length is 460 aa.

Mapped IDP08482
Review nameMuscarinic acetylcholine receptor
OrganismRattus norvegicus
Clinical Profile

Clinical Phase Distribution

25
Approved
2
Phase III
15
Phase II
Assay Mix

Activity Type Distribution

IC501,329.0
KI920.0
KD37.0
Lead Set

Top Inhibitors (by pChEMBL)

ChEMBL IDpChEMBLTypeValue (nM)Phase
CHEMBL351561 10.7 IC50 0.02 Preclinical
CHEMBL320611 10.53 Ki 0.0297 Preclinical
CHEMBL156050 10.52 IC50 0.03 Preclinical
CHEMBL142136 10.3 Ki 0.05 Preclinical
CHEMBL143228 10.15 Ki 0.07 Preclinical
CHEMBL569713 10.1 Ki 0.08 Approved
CHEMBL350223 10.0 IC50 0.1 Preclinical
CHEMBL160582 9.82 IC50 0.15 Preclinical
CHEMBL141269 9.8 Ki 0.16 Preclinical
CHEMBL321214 9.78 Ki 0.166 Preclinical
Distribution

pChEMBL Value Distribution

293
5.0
291
5.5
263
6.0
218
6.5
227
7.0
209
7.5
130
8.0
69
8.5
42
9.0
16
9.5
pChEMBL
Approved Drugs

Approved Drugs

XANOMELINE
CHEMBL21536
Approved 2024
TOLTERODINE
CHEMBL1382
Approved 1998
CLOZAPINE
CHEMBL42
Approved 1989
SCOPOLAMINE
CHEMBL569713
Approved 1979
PILOCARPINE
CHEMBL550
Approved 1974
ACETYLCHOLINE
CHEMBL667
Approved 1973
CARBACHOL
CHEMBL14
Approved 1972
HALOPERIDOL
CHEMBL54
Approved 1967
THIORIDAZINE
CHEMBL479
Approved 1962
CYPROHEPTADINE
CHEMBL516
Approved 1961
AMITRIPTYLINE
CHEMBL629
Approved 1961
ATROPINE
CHEMBL517712
Approved 1960
IMIPRAMINE
CHEMBL11
Approved 1959
CHLORPROMAZINE
CHEMBL71
Approved 1957
Assay Landscape

Assay Landscape

518
Total Assays
1,158
Tested Compounds
3
Assay Types
Binding — 505 assays, 1,158 compounds
BAO Format Assays Compounds Avg pChEMBL
tissue-based format 235 474 6.5
assay format 113 391 6.4
protein format 113 130 6.9
cell membrane format 42 159 6.1
cell-based format 1 1 8.2
subcellular format 1 3 7.0
Functional — 12 assays, 4 compounds
BAO Format Assays Compounds Avg pChEMBL
assay format 4 4 6.3
tissue-based format 4 0
cell membrane format 2 0
organism-based format 2 0
ADME — 1 assays, 0 compounds
BAO Format Assays Compounds Avg pChEMBL
assay format 1 0

Confidence Score Distribution

Source · ChEMBL 36 via Core Engine