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Target Snapshot

CHEMBL3637 Target Snapshot

Alpha-1A adrenergic receptor · SINGLE PROTEIN · Oryctolagus cuniculus

137Compounds
12Assays
4Approved Drugs
79.0Activities
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 O02824. Use UniProt O02824 as the stable identity anchor, then attach disease evidence before program review.

Review focus
Protein anchor ready

Use UniProt O02824 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 Alpha-1A adrenergic receptor as ChEMBL target CHEMBL3637, mapped to UniProt O02824. Disease framing currently uses the Open Targets-ready proxy contract.

Review anchor
Alpha-1A adrenergic receptor
SINGLE PROTEIN · Oryctolagus cuniculus
As of 2026-09-13
ChEMBL target ID
CHEMBL3637
Primary anchor for compounds, assays, approvals, and exports
ChEMBL 36 via Core Engine As of 2026-09-13
www.ebi.ac.uk
UniProt accession
O02824
Alpha-1A adrenergic receptor
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

Start with the right source

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 Alpha-1A adrenergic receptor is the right protein anchor across sources, using UniProt O02824 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 LabelAlpha-1A adrenergic receptor
UniProt AccessionO02824
Component TypeProtein
Sequence Length466 aa

Alpha-1A adrenergic receptor

Source · UniProt accession via ChEMBL component mapping
Review Cue

How to read this target

Review this target as Alpha-1A adrenergic receptor, mapped to UniProt O02824. Sequence length is 466 aa.

Mapped IDO02824
Review nameAlpha-1A adrenergic receptor
OrganismOryctolagus cuniculus
Clinical Profile

Clinical Phase Distribution

4
Approved
Assay Mix

Activity Type Distribution

EC5018.0
KD61.0
Lead Set

Top Inhibitors (by pChEMBL)

ChEMBL IDpChEMBLTypeValue (nM)Phase
CHEMBL314880 10.7 Kd 0.01995 Preclinical
CHEMBL330579 10.0 Kd 0.1 Preclinical
CHEMBL313775 10.0 Kd 0.1 Preclinical
CHEMBL327231 9.9 Kd 0.1259 Preclinical
CHEMBL91278 9.8 Kd 0.1585 Preclinical
CHEMBL836 9.8 Kd 0.1585 Approved
CHEMBL91400 9.7 Kd 0.1995 Preclinical
CHEMBL327168 9.5 Kd 0.3162 Preclinical
CHEMBL88211 9.4 Kd 0.3981 Preclinical
CHEMBL88160 9.3 Kd 0.5012 Preclinical
Distribution

pChEMBL Value Distribution

4
5.0
3
5.5
3
6.0
3
6.5
3
7.0
9
7.5
12
8.0
16
8.5
16
9.0
5
9.5
pChEMBL
Approved Drugs

Approved Drugs

TAMSULOSIN
CHEMBL836
Approved 1997
TERAZOSIN
CHEMBL611
Approved 1987
PRAZOSIN
CHEMBL2
Approved 1976
PHENTOLAMINE
CHEMBL597
Approved 1952
Assay Landscape

Assay Landscape

12
Total Assays
62
Tested Compounds
2
Assay Types
Functional — 8 assays, 62 compounds
BAO Format Assays Compounds Avg pChEMBL
assay format 5 62 8.7
tissue-based format 3 0
Binding — 4 assays, 17 compounds
BAO Format Assays Compounds Avg pChEMBL
single protein format 4 17 6.1

Confidence Score Distribution

Source · ChEMBL 36 via Core Engine