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Target Snapshot

CHEMBL2753 Target Snapshot

Gamma-aminobutyric acid type B receptor subunit 1 · SINGLE PROTEIN · Rattus norvegicus

385Compounds
6Assays
0Approved Drugs
449.0Activities
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 2026-09-14

Protein identity stays anchored to UniProt Q9Z0U4. Use UniProt Q9Z0U4 as the stable identity anchor, then attach disease evidence before program review.

Review focus
Protein anchor ready

Use UniProt Q9Z0U4 as the stable identity anchor, then attach disease evidence before program review.

ChEMBL component mapping + Open Targets-ready proxy + ChEMBL 36 via Core Engine 2026-09-14
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 Gamma-aminobutyric acid type B receptor subunit 1 as ChEMBL target CHEMBL2753, mapped to UniProt Q9Z0U4. Disease framing currently uses the Open Targets-ready proxy contract.

Review anchor
Gamma-aminobutyric acid type B receptor subunit 1
SINGLE PROTEIN · Rattus norvegicus
As of 2026-09-14
ChEMBL target ID
CHEMBL2753
Primary anchor for compounds, assays, approvals, and exports
ChEMBL 36 via Core Engine As of 2026-09-14
www.ebi.ac.uk
UniProt accession
Q9Z0U4
Gamma-aminobutyric acid type B receptor subunit 1
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.

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 Gamma-aminobutyric acid type B receptor subunit 1 is the right protein anchor across sources, using UniProt Q9Z0U4 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

Verify identity, organism, and the fastest next research jumps from the same page.

UniProt Context

UniProt Target Context

Reviewable protein naming and mapping context for this target snapshot.

Protein LabelGamma-aminobutyric acid type B receptor subunit 1
UniProt AccessionQ9Z0U4
Component TypeProtein
Sequence Length960 aa

Gamma-aminobutyric acid type B receptor subunit 1

Source · UniProt accession via ChEMBL component mapping
Review Cue

How to read this target

Review this target as Gamma-aminobutyric acid type B receptor subunit 1, mapped to UniProt Q9Z0U4. Sequence length is 960 aa.

Mapped IDQ9Z0U4
Review nameGamma-aminobutyric acid type B receptor subunit 1
OrganismRattus norvegicus
Clinical Profile

Clinical Phase Distribution

2
Phase II
Assay Mix

Activity Type Distribution

IC50449.0
Lead Set

Top Inhibitors (by pChEMBL)

ChEMBL IDpChEMBLTypeValue (nM)Phase
CHEMBL112203 8.3 IC50 5.0 Preclinical
CHEMBL3640618 8.01 IC50 9.79 Preclinical
CHEMBL38856 7.9 IC50 12.6 Preclinical
CHEMBL3640615 7.89 IC50 13.0 Preclinical
CHEMBL112710 7.8 IC50 16.0 Preclinical
CHEMBL3640616 7.75 IC50 17.9 Preclinical
CHEMBL5742935 7.52 IC50 30.0 Preclinical
CHEMBL5743455 7.52 IC50 30.0 Preclinical
CHEMBL5748498 7.52 IC50 30.0 Preclinical
CHEMBL5750273 7.52 IC50 30.0 Preclinical
Distribution

pChEMBL Value Distribution

13
5.0
4
5.5
1
6.0
66
6.5
48
7.0
134
7.5
2
8.0
0
8.5
0
9.0
0
9.5
pChEMBL
Assay Landscape

Assay Landscape

6
Total Assays
267
Tested Compounds
1
Assay Types
Binding — 6 assays, 267 compounds
BAO Format Assays Compounds Avg pChEMBL
assay format 3 87 6.2
single protein format 2 180 7.2
subcellular format 1 0

Confidence Score Distribution

Source · ChEMBL 36 via Core Engine