> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/kcnh5-fb729094-ff08-5a2e-b031-f592380e2b53
> Record changed: 2026-11-04

# KCNH5

ENSG00000140015

Target class

Ion channel

Chromosome

14

Approved drugs

4

Clinical candidates (approved and in development)

6

## Clinical evidence

**Approved drugs**

4

**ClinGen gene-disease validity**

Definitive

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

6

## Druggability

**Chemical probe available**

No

## Names

**Target name**

KCNH5

**Gene name**

Potassium voltage-gated channel subfamily H member 5

**Gene symbol**

KCNH5

**Protein name**

Voltage-gated delayed rectifier potassium channel KCNH5 (Ether-a-go-go potassium channel 2) (hEAG2) (Potassium voltage-gated channel subfamily H member 5) (Voltage-gated potassium channel subunit Kv10.2)

### Other names (4)

- Kv10.2
- H-EAG2
- eag2
- hEAG2

## Classification

**Gene biotype**

Protein coding

**Gene family**

Potassium voltage-gated channels|PAS domain containing

**Target class**

Ion channel

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

3

**Protein localisation evidence grade**

Approved

**Highest tissue expression**

3.29

**Tissue specificity (Gini)**

0.882

**Tissue specificity (tau)**

0.962

## Pathways and interactions

**KEGG gene identifiers**

- hsa:27133

**Reactome pathways**

- R-HSA-1296072

## Genomic location

**End position**

63102037

**Start position**

62699464

**Chromosome**

14

**Strand**

Reverse

## Identifiers

**Ensembl gene ID**

ENSG00000140015

**HGNC ID**

HGNC:6254

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:6254)

**NCBI Gene ID**

27133

**UniProt ID**

Q8NCM2

## Cellular location

- Membrane
- Multi-pass membrane protein.
- Centrosome
- Cytosol
- Nucleoplasm

## Tissue expression

**Tissue specificity (tau)**

0.962436

**Expression inequality (Gini)**

0.881625

### Highest expression

Expression in transcripts per million

**Brain - Frontal Cortex (BA9)**

3.29

**Brain - Cortex**

2.28

**Brain - Hypothalamus**

1.15

**Brain - Anterior cingulate cortex (BA24)**

0.91

**Pituitary**

0.39

### All tissues (54)

Expression in transcripts per million

- Brain - Frontal Cortex (BA9)3.29
- Brain - Cortex2.28
- Brain - Hypothalamus1.15
- Brain - Anterior cingulate cortex (BA24)0.91
- Pituitary0.39
- Brain - Amygdala0.38
- Testis0.31
- Brain - Hippocampus0.17
- Brain - Substantia nigra0.13
- Adipose - Visceral (Omentum)0.12
- Brain - Nucleus accumbens (basal ganglia)0.12
- Brain - Spinal cord (cervical c-1)0.1
- Brain - Putamen (basal ganglia)0.08
- Brain - Caudate (basal ganglia)0.08
- Colon - Sigmoid0.07
- Prostate0.03
- Bladder0.03
- Vagina0.03
- Esophagus - Gastroesophageal Junction0.03
- Esophagus - Muscularis0.02
- Breast - Mammary Tissue0.02
- Colon - Transverse0.01
- Skin - Not Sun Exposed (Suprapubic)0.01
- Lung0.01
- Brain - Cerebellum0.01

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes (2)

- GO:0006813  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0006813)
- GO:0010389  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0010389)

### Cellular components (3)

- GO:0005886  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005886)
- 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)

### Molecular functions (2)

- 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)

## Related records

### Trials (140)

- 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
- 4AP for Carpal Tunnel Syndrome (CTS)
- [A Clinical Trial to Evaluate MK-4208/Embibatinib in Healthy Adult Participants (MK-4208-001/Embibatinib-1014)](https://trialight.com/data/trial/a-clinical-trial-to-evaluate-mk-4208-embibatinib-in-healthy-7e3461de-b189-4af2-af82-5175294701bc.md)
- A Comparison of Antiarrhythmic Drug Therapy and Radio Frequency Catheter Ablation in Patients With Paroxysmal Atrial Fibrillation
- A Drug-Drug Interaction Study of Orforglipron (LY3502970) With Quinidine in Healthy Participants
- A Drug-Drug Interaction Study to Evaluate the Effects of Itraconazole, Carbamazepine, Quinidine and Fluconazole on the Pharmacokinetics and Safety of EDP-323.
- A New Medicine to Treat Nonarteritic Anterior Ischemic Optic Neuropathy (NAION)
- A Phase 1 Study Comparing AVP-786 With AVP-923
- A Phase 1, Drug Interaction Study Between AVP-786 and Paroxetine and Between AVP-786 and Duloxetine in Healthy Subjects
- A Phase 2b Study of Dalfampridine 10mg Extended Release Tablet in Subjects With Chronic Deficits After Ischemic Stroke
- A Phase 3 Study of Amifampridine Phosphate in Patients With Lambert Eaton Myasthenic Syndrome (LEMS)
- A Phase-1 Study to Assess the Pharmacokinetics, Safety and Tolerability of AVP-786 in Healthy Volunteers
- A Placebo Controlled Trial of Dalfampridine ER for Ambulatory Activity in People With Multiple Sclerosis

### Drugs (9)

- Amifampridine Voltage-gated potassium channel blocker
- Amifampridine phosphate Voltage-gated potassium channel blocker
- Dalfampridine Voltage-gated potassium channel blocker
- Guanidine Voltage-gated potassium channel blocker
- Guanidine hydrochloride Voltage-gated potassium channel blocker
- Nerispirdine Voltage-gated potassium channel blocker
- [Quinidine](https://trialight.com/data/asset/quinidine-87aba552-7096-4212-a930-5c3f4b7ce394.md)
- Tedisamil Voltage-gated potassium channel blocker
- Tedisamil sesquifumarate Voltage-gated potassium channel blocker

---

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