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Target Snapshot

CHEMBL263 Target Snapshot

Type-1 angiotensin II receptor B · SINGLE PROTEIN · Rattus norvegicus

483Compounds
45Assays
12Approved Drugs
496.0Activities
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 P29089. Use UniProt P29089 as the stable identity anchor, then attach disease evidence before program review.

Review focus
Protein anchor ready

Use UniProt P29089 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 Type-1 angiotensin II receptor B as ChEMBL target CHEMBL263, mapped to UniProt P29089. Disease framing currently uses the Open Targets-ready proxy contract.

Review anchor
Type-1 angiotensin II receptor B
SINGLE PROTEIN · Rattus norvegicus
As of 2026-09-13
ChEMBL target ID
CHEMBL263
Primary anchor for compounds, assays, approvals, and exports
ChEMBL 36 via Core Engine As of 2026-09-13
www.ebi.ac.uk
UniProt accession
P29089
Type-1 angiotensin II receptor B
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 Type-1 angiotensin II receptor B is the right protein anchor across sources, using UniProt P29089 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 LabelType-1 angiotensin II receptor B
UniProt AccessionP29089
Component TypeProtein
Sequence Length359 aa

Type-1 angiotensin II receptor B

Source · UniProt accession via ChEMBL component mapping
Review Cue

How to read this target

Review this target as Type-1 angiotensin II receptor B, mapped to UniProt P29089. Sequence length is 359 aa.

Mapped IDP29089
Review nameType-1 angiotensin II receptor B
OrganismRattus norvegicus
Clinical Profile

Clinical Phase Distribution

12
Approved
2
Phase II
Assay Mix

Activity Type Distribution

IC50356.0
KI140.0
Lead Set

Top Inhibitors (by pChEMBL)

ChEMBL IDpChEMBLTypeValue (nM)Phase
CHEMBL317343 9.8 IC50 0.16 Preclinical
CHEMBL216061 9.8 Ki 0.16 Preclinical
CHEMBL411997 9.64 Ki 0.23 Preclinical
CHEMBL279629 9.51 IC50 0.31 Preclinical
CHEMBL408403 9.51 Ki 0.31 Approved
CHEMBL7550 9.4 IC50 0.4 Preclinical
CHEMBL408403 9.4 IC50 0.4 Approved
CHEMBL34866 9.36 IC50 0.44 Preclinical
CHEMBL284918 9.36 IC50 0.44 Preclinical
CHEMBL35381 9.21 Ki 0.6194 Preclinical
Distribution

pChEMBL Value Distribution

19
5.0
40
5.5
49
6.0
68
6.5
75
7.0
75
7.5
77
8.0
31
8.5
19
9.0
5
9.5
pChEMBL
Approved Drugs

Approved Drugs

ANGIOTENSIN II
CHEMBL408403
Approved 2017
TELMISARTAN
CHEMBL1017
Approved 1998
IRBESARTAN
CHEMBL1513
Approved 1997
EPROSARTAN
CHEMBL813
Approved 1997
VALSARTAN
CHEMBL1069
Approved 1996
LOSARTAN POTASSIUM
CHEMBL995
Approved 1995
LOSARTAN
CHEMBL191
Approved 1995
SARALASIN
CHEMBL938
Approved 1982
Assay Landscape

Assay Landscape

45
Total Assays
451
Tested Compounds
2
Assay Types
Binding — 40 assays, 451 compounds
BAO Format Assays Compounds Avg pChEMBL
assay format 17 121 7.0
cell membrane format 10 202 7.2
single protein format 10 115 7.5
tissue-based format 3 13 8.4
Functional — 5 assays, 4 compounds
BAO Format Assays Compounds Avg pChEMBL
organism-based format 2 0
tissue-based format 2 2 7.6
cell membrane format 1 2 7.5

Confidence Score Distribution

Source · ChEMBL 36 via Core Engine