Review anchor
Sodium channel protein type 2 subunit alpha
SINGLE PROTEIN · Homo sapiens
As of 2026-09-14
Evidence Snapshot
Sodium channel protein type 2 subunit alpha
CHEMBL4187
SINGLE PROTEIN
Homo sapiens
Identity Layer
Cross-source identity
Keep the review anchor, source IDs, and context contract aligned before reusing this target elsewhere.
This review treats Sodium channel protein type 2 subunit alpha as ChEMBL target CHEMBL4187, mapped to UniProt Q99250. Disease framing currently uses the Open Targets-ready proxy contract.
ChEMBL target ID
CHEMBL4187
Primary anchor for compounds, assays, approvals, and exports
ChEMBL 36 via Core Engine
As of 2026-09-14
www.ebi.ac.uk
UniProt accession
Q99250
Sodium channel protein type 2 subunit alpha
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.
Review-ready Target Rationale
Why Sodium channel protein type 2 subunit alpha matters
Sodium channel protein type 2 subunit alpha is reviewed as Sodium channel protein type 2 subunit alpha (UniProt Q99250); the current evidence base includes 6 approved drugs, 332 compounds, and 157 assays, with lead potency reaching pChEMBL 9.7.
Protein context
Sodium channel protein type 2 subunit alpha
Sodium channel protein type 2 subunit alpha Sequence length is 2005 aa.
Review this target as Sodium channel protein type 2 subunit alpha, mapped to UniProt Q99250. Sequence length is 2005 aa.
Protein source · UniProt accession via ChEMBL component mapping
UniProt Q99250
Protein
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 recordActivity base
Portfolio and assay base
ChEMBL currently tracks 6 approved drugs, 332 compounds, and 157 assays for this target. The dominant activity type is IC50. CHEMBL3617063 is the current potency anchor at pChEMBL 9.7.
Use CHEMBL3617063 as the tractability anchor when discussing potency (pChEMBL 9.7).
Activity source · ChEMBL 36 via Core Engine
6 approved
pChEMBL 9.7
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 Sodium channel protein type 2 subunit alpha matters before drilling into raw source blocks.
Jump to Review RationaleNeed 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 Q99250, not just the summarized rationale.
Open Protein ContextNeed 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 ContextSnapshot State
No project snapshot selected. Export uses the live evidence card state.
332
Total Compounds
157
Total Assays
6
Approved Drugs
IC50: 215.0, KI: 12.0, EC50: 5.0, KD: 3.0
Activity Types
pChEMBL Activity Distribution
Top 5 Inhibitors (by pChEMBL)
| Structure | Compound | pChEMBL | Type | Phase |
|---|---|---|---|---|
|
|
No preferred name
CHEMBL3617063
|
9.7 | IC50 | — |
|
|
No preferred name
CHEMBL4060338
|
9.6 | IC50 | — |
|
|
No preferred name
CHEMBL501134
|
9.0 | IC50 | — |
|
|
No preferred name
CHEMBL3662190
|
8.7 | IC50 | — |
|
|
No preferred name
CHEMBL4070670
|
8.7 | IC50 | — |
Approved Drugs
| Structure | Compound | First Approval |
|---|---|---|
|
|
TETRACAINE
CHEMBL698
|
2005 |
Source Header