Start with atrial fibrillation, then reuse UniProt P22460 as the stable protein anchor across project notes and exports.
CHEMBL4306 Target Snapshot
Potassium voltage-gated channel subfamily A member 5 · SINGLE PROTEIN · Homo sapiens
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As of 2026-09-13Potassium voltage-gated channel subfamily A member 5 shows approved-linked disease relevance led by atrial fibrillation. 1 more disease program remain visible in the same review block. 1 linked drug keeps the current disease frame grounded. Protein identity stays anchored to UniProt P22460. Start with atrial fibrillation, then reuse UniProt P22460 as the stable protein anchor across project notes and exports.
Potassium voltage-gated channel subfamily A member 5 shows approved-linked disease relevance led by atrial fibrillation. 1 more disease program remain visible in the same review block. 1 linked drug remains visible in the same block.
Start review with atrial fibrillation because it currently carries approved-linked support. Linked drugs include VERNAKALANT HYDROCHLORIDE. This disease block keeps the Open Targets-ready contract explicit while current evidence comes from ChEMBL mechanism and indication mappings.
Disease source · ChEMBL drug mechanism + indication proxyPotassium voltage-gated channel subfamily A member 5
Review this target as Potassium voltage-gated channel subfamily A member 5, mapped to UniProt P22460. Sequence length is 613 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
Keep the review anchor, source IDs, and context contract aligned before reusing this target elsewhere.
This review treats Potassium voltage-gated channel subfamily A member 5 as ChEMBL target CHEMBL4306, mapped to UniProt P22460. Disease framing currently uses the Open Targets-ready proxy contract.
Reuse the same identifiers in notes, watch rules, exports, and review packs so provenance stays stable across surfaces.
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Start here when your first question is whether Potassium voltage-gated channel subfamily A member 5 is the right protein anchor across sources, using UniProt P22460 as the stable mapping.
Jump to Protein ContextUse this block first when you need to confirm why atrial fibrillation is currently framed as approved-linked support. It currently carries 1 linked drug in the same disease frame.
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Open Review-ready CardBasic Information
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| Preferred Name | Potassium voltage-gated channel subfamily A member 5 |
| Target Type | SINGLE PROTEIN |
| Organism | Homo sapiens |
| UniProt | P22460 |
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UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | Potassium voltage-gated channel subfamily A member 5 |
| UniProt Accession | P22460 |
| Component Type | Protein |
| Sequence Length | 613 aa |
Potassium voltage-gated channel subfamily A member 5
How to read this target
Review this target as Potassium voltage-gated channel subfamily A member 5, mapped to UniProt P22460. Sequence length is 613 aa.
Disease Relevance & Evidence Level
Open Targets-ready disease context using the current target-indication evidence contract.
Potassium voltage-gated channel subfamily A member 5 shows approved-linked disease relevance led by atrial fibrillation. 1 more disease program remain visible in the same review block.
How to read disease relevance
Start review with atrial fibrillation because it currently carries approved-linked support. Linked drugs include VERNAKALANT HYDROCHLORIDE. This disease block keeps the Open Targets-ready contract explicit while current evidence comes from ChEMBL mechanism and indication mappings.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL1256851 | 8.11 | IC50 | 7.7 | Preclinical |
| CHEMBL4065169 | 8.05 | IC50 | 9.0 | Preclinical |
| CHEMBL3940526 | 8.0 | EC50 | 10.0 | Preclinical |
| CHEMBL3961395 | 8.0 | EC50 | 10.0 | Preclinical |
| CHEMBL4104525 | 7.96 | IC50 | 11.0 | Preclinical |
| CHEMBL3960875 | 7.92 | EC50 | 12.0 | Preclinical |
| CHEMBL571976 | 7.82 | IC50 | 15.0 | Preclinical |
| CHEMBL3899148 | 7.7 | EC50 | 20.0 | Preclinical |
| CHEMBL216281 | 7.68 | IC50 | 21.0 | Preclinical |
| CHEMBL3298226 | 7.66 | IC50 | 22.0 | Preclinical |
pChEMBL Value Distribution
Assay Landscape
Binding — 106 assays, 729 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell-based format | 58 | 557 | 6.2 |
| single protein format | 40 | 167 | 6.2 |
| assay format | 8 | 5 | 6.5 |
Functional — 14 assays, 61 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell-based format | 10 | 55 | 6.5 |
| assay format | 4 | 6 | 5.8 |
ADME — 5 assays, 0 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| single protein format | 4 | 0 | — |
| cell-based format | 1 | 0 | — |
Toxicity — 2 assays, 1 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| assay format | 2 | 1 | 5.3 |