> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/kcna5-23b49e8a-ca45-574d-97c6-0096cc25ba63
> Record changed: 2026-11-04

# KCNA5

ENSG00000130037

Target class

Ion channel

Chromosome

12

Approved drugs

5

Clinical candidates (approved and in development)

7

## Clinical evidence

**Approved drugs**

5

**Clinical candidates (approved and in development)**

7

## Druggability

**Chemical probe available**

No

## Names

**Target name**

KCNA5

**Gene name**

Potassium voltage-gated channel subfamily A member 5

**Gene symbol**

KCNA5

**Protein name**

Potassium voltage-gated channel subfamily A member 5 (HPCN1) (Voltage-gated potassium channel HK2) (Voltage-gated potassium channel subunit Kv1.5)

### Other names (3)

- Kv1.5
- HK2
- HPCN1

## Classification

**Gene biotype**

Protein coding

**Gene family**

Potassium voltage-gated channels|BTB domain containing

**Target class**

Ion channel

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

38

**Highest tissue expression**

82.62

**Tissue specificity (Gini)**

0.771

**Tissue specificity (tau)**

0.93

## Pathways and interactions

**KEGG gene identifiers**

- hsa:3741

**Protein interaction confidence**

0.826043

**Protein interaction partners**

23

### Reactome pathways (2)

- R-HSA-1296072
- R-HSA-5576890

## Genomic location

**End position**

5046788

**Start position**

5043879

**Chromosome**

12

**Strand**

Forward

## Identifiers

**Ensembl gene ID**

ENSG00000130037

**HGNC ID**

HGNC:6224

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:6224)

**NCBI Gene ID**

3741

**UniProt ID**

P22460

## Cellular location

- Cell membrane
- Multi-pass membrane protein .

### Publication evidence (3)

- PubMed 12130714  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/12130714/)
- PubMed 20018952  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/20018952/)
- PubMed 8505626  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/8505626/)

## Tissue expression

**Tissue specificity (tau)**

0.929619

**Expression inequality (Gini)**

0.770634

### Highest expression

Expression in transcripts per million

**Artery - Aorta**

82.62

**Artery - Tibial**

81.79

**Artery - Coronary**

74.61

**Heart - Atrial Appendage**

35.57

**Pituitary**

13.39

### All tissues (54)

Expression in transcripts per million

- Artery - Aorta82.62
- Artery - Tibial81.79
- Artery - Coronary74.61
- Heart - Atrial Appendage35.57
- Pituitary13.39
- Brain - Nucleus accumbens (basal ganglia)8.54
- Brain - Hypothalamus7.2
- Esophagus - Gastroesophageal Junction6.52
- Colon - Sigmoid5.01
- Fallopian Tube3.84
- Lung3.83
- Brain - Frontal Cortex (BA9)3.68
- Bladder3.65
- Brain - Caudate (basal ganglia)3.5
- Nerve - Tibial3.22
- Esophagus - Muscularis2.96
- Brain - Hippocampus2.92
- Uterus2.86
- Ovary2.84
- Brain - Putamen (basal ganglia)2.8
- Brain - Anterior cingulate cortex (BA24)2.75
- Brain - Cortex2.74
- Colon - Transverse2.59
- Adipose - Subcutaneous2.49
- Brain - Spinal cord (cervical c-1)2.16

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes (12)

- GO:0006813  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0006813)
- GO:0042391  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0042391)
- GO:0050796  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0050796)
- GO:0060081  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0060081)
- GO:0060372  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0060372)
- GO:0071805  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0071805)
- GO:0086014  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0086014)
- GO:0086050  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0086050)
- GO:0086052  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0086052)
- GO:0086091  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0086091)
- GO:0097623  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0097623)
- GO:0098914  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0098914)

### Cellular components (8)

- GO:0005794  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005794)
- GO:0005886  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005886)
- GO:0005901  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005901)
- GO:0008076  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0008076)
- GO:0009986  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0009986)
- GO:0014704  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0014704)
- GO:0034705  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0034705)
- GO:0045121  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0045121)

### Molecular functions (10)

- GO:0005249  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005249)
- GO:0005251  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005251)
- GO:0005515  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005515)
- GO:0015271  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0015271)
- GO:0019901  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0019901)
- GO:0051393  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0051393)
- GO:0086087  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0086087)
- GO:0086089  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0086089)
- GO:0086090  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0086090)
- GO:0097110  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0097110)

## Related records

### Trials (2,056)

- "Efficacy of Local Anesthetic for Postoperative Pain in Gynecologic Laparoscopy"
- "The Efficacy of Exparel Versus a Multidrug Cocktail in Soft Tissue Tumors"
- (SGB) in Men Treated for Prostate Cancer Improve Hot Flashes
- 0.25% Bupivacaine Versus a Mixture of 0.25% Bupivacaine and 1.3 % Liposomal Bupivacaine in Patients Undergoing Tka
- 1% Chloroprocaine(PF) vs. Bupivacaine Spinals
- 2% Lidocaine Plus 0.5% Bupivacaine Versus 0.5% Bupivacaine in Brachial Block for Creation of Arteriovenous (AV) Fistula
- 3 Local Anesthetics for Spinal Anesthesia in Primary Total Hip Arthroplasty
- 3,4-Diaminopyridine for Lambert-Eaton Myasthenic Syndrome (LEMS) and Congenital Myasthenia (CM)
- 4-aminopyridine for Skin Wound Healing
- 4-Aminopyridine in Episodic Ataxia Type 2
- 4-Aminopyridine to Treat Skin Burns
- 4-aminopyridine Treatment for Nerve Injury
- 4-aminopyridine Treatment for Nerve Injury From Radical Retro-Pubic Prostatectomy
- 4-Aminopyridine, Atenolol, or Placebo in Patients With Vestibular Migraine
- 4-AP Peripheral Nerve Crossover Trial
- 4-drug Nerve Block Versus Plain Local Anesthetic for Knee and Hip Arthroplasty Analgesia in Veterans
- 4AP for Carpal Tunnel Syndrome (CTS)
- A 3 Months Duration Interventional Study Comparing Hemodynamic Parameters Between Bolus and Fractionated Group.
- A Clinical Study of MK-4318 and Diltiazem in Healthy People (MK-4318-003)
- A Clinical Study to Compare BupiZenge With Lidocaine for Pain Due to Oral Mucositis in Patients With Head and Neck Cancer.

### Drugs (21)

- Ajmaline
- Amifampridine Voltage-gated potassium channel blocker
- Amifampridine phosphate Voltage-gated potassium channel blocker
- Bupivacaine
- Clofilium
- Clofilium phosphate
- Dalfampridine Voltage-gated potassium channel blocker
- Diltiazem
- Dronedarone
- Flecainide
- Guanidine Voltage-gated potassium channel blocker
- Guanidine hydrochloride Voltage-gated potassium channel blocker
- Nerispirdine Voltage-gated potassium channel blocker
- Nifedipine
- Propafenone
- [Quinidine](https://trialight.com/data/asset/quinidine-87aba552-7096-4212-a930-5c3f4b7ce394.md)
- Resiniferatoxin
- Tedisamil Voltage-gated potassium channel blocker
- Tedisamil sesquifumarate Voltage-gated potassium channel blocker
- Vernakalant Voltage-gated potassium channel subunit Kv1.5 blocker

---

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