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Evidence Snapshot

P2X purinoceptor 4

CHEMBL2104 SINGLE PROTEIN Homo sapiens
Source Header

ChEMBL 36 via Core Engine

Target Snapshot 2026-09-13T22:20:07Z
Source · ChEMBL 36 via Core Engine
ChEMBL ChEMBL 36 CHEMBL2104
Identity Layer

Cross-source identity

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

This review treats P2X purinoceptor 4 as ChEMBL target CHEMBL2104, mapped to UniProt Q99571. Disease framing currently uses the Open Targets-ready proxy contract.

Review anchor
P2X purinoceptor 4
SINGLE PROTEIN · Homo sapiens
As of 2026-09-13
ChEMBL target ID
CHEMBL2104
Primary anchor for compounds, assays, approvals, and exports
ChEMBL 36 via Core Engine As of 2026-09-13
www.ebi.ac.uk
UniProt accession
Q99571
P2X purinoceptor 4
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.

Review-ready Target Rationale

Why P2X purinoceptor 4 matters

As of 2026-09-13

P2X purinoceptor 4 is reviewed as P2X purinoceptor 4 (UniProt Q99571); the current evidence base includes 1 approved drug, 364 compounds, and 102 assays, with lead potency reaching pChEMBL 8.7.

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 1 approved drug, 364 compounds, and 102 assays for this target. The dominant activity type is IC50. CHEMBL4471140 is the current potency anchor at pChEMBL 8.7.

Use CHEMBL4471140 as the tractability anchor when discussing potency (pChEMBL 8.7).

Activity source · ChEMBL 36 via Core Engine
1 approved pChEMBL 8.7
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 P2X purinoceptor 4 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 Q99571, 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.

364
Total Compounds
102
Total Assays
1
Approved Drugs
IC50: 364.0, KI: 1.0, EC50: 18.0
Activity Types

pChEMBL Activity Distribution

Top 5 Inhibitors (by pChEMBL)

Structure Compound pChEMBL Type Phase
No preferred name
CHEMBL4471140
 8.7 IC50 —
No preferred name
CHEMBL4452312
 8.7 IC50 —
No preferred name
CHEMBL4589444
 8.3 IC50 —
No preferred name
CHEMBL4579583
 8.1 IC50 —
No preferred name
CHEMBL4447043
 8.1 IC50 —
← Target Page
Source Header

ChEMBL 36 via Core Engine

Target Snapshot 2026-09-13T22:20:07Z
Source · ChEMBL 36 via Core Engine
ChEMBL ChEMBL 36 CHEMBL2104