> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/gabra4-8db035f5-598b-561c-bccf-339883590a0d
> Record changed: 2026-10-13

# GABRA4

ENSG00000109158

Target class

Ion channel

Chromosome

4

Approved drugs

56

Clinical candidates (approved and in development)

68

## Clinical evidence

**Approved drugs**

56

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

68

## Druggability

**Chemical probe available**

No

## Names

**Target name**

GABRA4

**Gene name**

Gamma-aminobutyric acid type A receptor subunit alpha4

**Gene symbol**

GABRA4

**Protein name**

Gamma-aminobutyric acid receptor subunit alpha-4 (GABA(A) receptor subunit alpha-4) (GABAAR subunit alpha-4)

## Classification

**Gene biotype**

Protein coding

**Gene family**

Gamma-aminobutyric acid type A receptor subunits

**Target class**

Ion channel

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

14

**Highest tissue expression**

10.72

**Tissue specificity (Gini)**

0.815

**Tissue specificity (tau)**

0.917

## Pathways and interactions

**KEGG gene identifiers**

- hsa:2557

**Reactome pathways**

- R-HSA-977443

**Protein interaction confidence**

0.844294

**Protein interaction partners**

17

## Genomic location

**End position**

46993581

**Start position**

46918900

**Chromosome**

4

**Strand**

Reverse

## Identifiers

**Ensembl gene ID**

ENSG00000109158

**HGNC ID**

HGNC:4078

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:4078)

**NCBI Gene ID**

2557

**UniProt ID**

P48169

## Cellular location

- Cell membrane
- Multi-pass membrane protein . Postsynaptic cell membrane
- Multi-pass membrane protein .

### Publication evidence

- PubMed 35355020  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/35355020/)

## Tissue expression

**Tissue specificity (tau)**

0.917312

**Expression inequality (Gini)**

0.814731

### Highest expression

Expression in transcripts per million

**Brain - Nucleus accumbens (basal ganglia)**

10.72

**Brain - Caudate (basal ganglia)**

7.97

**Brain - Frontal Cortex (BA9)**

7.74

**Brain - Cortex**

5.11

**Brain - Putamen (basal ganglia)**

4.84

### All tissues (54)

Expression in transcripts per million

- Brain - Nucleus accumbens (basal ganglia)10.72
- Brain - Caudate (basal ganglia)7.97
- Brain - Frontal Cortex (BA9)7.74
- Brain - Cortex5.11
- Brain - Putamen (basal ganglia)4.84
- Brain - Anterior cingulate cortex (BA24)4.52
- Brain - Amygdala2.65
- Artery - Tibial1.88
- Artery - Coronary1.81
- Brain - Hypothalamus1.77
- Brain - Hippocampus1.71
- Pituitary1.6
- Brain - Cerebellum1.38
- Heart - Left Ventricle1.29
- Brain - Cerebellar Hemisphere0.68
- Brain - Substantia nigra0.58
- Testis0.2
- Skin - Not Sun Exposed (Suprapubic)0.14
- Artery - Aorta0.14
- Brain - Spinal cord (cervical c-1)0.12
- Small Intestine - Terminal Ileum0.12
- Esophagus - Mucosa0.1
- Skin - Sun Exposed (Lower leg)0.08
- Adipose - Subcutaneous0.08
- Colon - Sigmoid0.06

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes (2)

- GO:0007214  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0007214)
- GO:1902476  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:1902476)

### Cellular components

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

### Molecular functions

- GO:0008503  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0008503)

## On-target safety

- decreased cardiac contractility  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: decreased cardiac contractility  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- drug abuse/dependence  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: drug abuse/dependence  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- decreased memory  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: decreased memory  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- decreased sleep  
### Effects

  - Inhibition/Decrease/Downregulation: acute  
### Studies

  - preclinical: decreased sleep  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- decreased convulsions  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: decreased convulsions  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- decreased locomotor activity  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: decreased locomotor activity  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- increased eating  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: increased eating  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- decreased blood pressure  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: decreased blood pressure  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- muscle relaxation  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: muscle relaxation  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- decreased body temperature  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: decreased body temperature  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- decreased pain  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: decreased pain  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- convulsions  
### Effects

  - Inhibition/Decrease/Downregulation: acute  
### Studies

  - preclinical: convulsions  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- decreased anxiety  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: decreased anxiety  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- increased respiratory rate  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: increased respiratory rate  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- ataxia  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: ataxia  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- increased cardiac output  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: increased cardiac output  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)
- increased sleep  
### Effects

  - Activation/Increase/Upregulation: acute  
### Studies

  - preclinical: increased sleep  
### Biological samples (2)

  - central nervous system
  - cardiovascular  
PubMed 28216264  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/28216264/)

## Related records

### Trials (3,914)

- "Chou's Tiaoshen" Acupoints for Short-term Insomnia.
- "Volatile Anesthetic Protection Of Renal Transplants: VAPOR-1-trail
- (Peak) A Phase 3 Randomized Trial of CGT9486+Sunitinib vs. Sunitinib in Subjects With Gastrointestinal Stromal Tumors
- \[18F\]Fluciclovine in Post-treatment Glioblastoma ( Axumin )
- 1-1-8 Wash-in for Sevoflurane Low Flow Anesthesia
- 12-Month Real-World Safety & Efficacy of Lecanemab in Early Alzheimer's Disease
- 28-day Repeat Dose and Drug Interaction Study With Orvepitant (GW823296)
- 3 mL Inhaled Methoxyflurane for Intrauterine Device (IUD) Insertion
- 50% Effective Concentration of Sevoflurane for Immobility
- 6-Month Chronic Efficacy & Safety Study of Eszopiclone in Adult Subjects With Primary Insomnia
- A 2-Part Study to Assess Potential Metabolism-Based Drug-Drug Interactions of E2006 When Coadministered With Itraconazole, Rifampin, Midazolam, or Bupropion
- A 5-Week Trial Of PD 0332334 And Alprazolam Extended Release Compared To Placebo In Patients With Generalized Anxiety Disorder
- A Better Choice for Patients Undergoing Endovascular Coil Embolization
- A Bioequivalence and Food Effect Study of SEP-190 in Japanese Healthy Subjects (Study SEP 190-102)
- A Bioequivalence Study Of A New Alprazolam Dropped Formulation Versus Alprazolam Tablets
- A Clinical Drug-Drug Interaction (DDI) Study With Omaveloxolone
- A Clinical Study Evaluating Sedation of Intravenous Administration of HSK3486 in ICU Patients Undergoing Long-Term Mechanical Ventilation
- A Clinical Study of Remimazolam Tosilate Compared to Propofol for General Anesthesia During Elective Surgery
- A Clinical Study of Remimazolam Tosilate in Patients Undergoing Bronchoscopy
- A Clinical Study to Assess Next-day Driving Performance Following Administration of ACT-541468 in Middle-aged and Elderly Subjects

### Drugs (78)

- ABP-700 GABA-A receptor; anion channel agonist
- Acamprosate GABA-A receptor; anion channel positive modulator
- Acamprosate calcium GABA-A receptor; anion channel positive modulator
- Adipiplon GABA-A receptor; anion channel partial agonist
- Alprazolam GABA-A receptor; anion channel positive allosteric modulator
- Brexanolone GABA-A receptor; anion channel positive allosteric modulator
- Butabarbital GABA-A receptor; anion channel positive allosteric modulator
- Butabarbital sodium GABA-A receptor; anion channel positive allosteric modulator
- Butalbital GABA-A receptor; anion channel positive allosteric modulator
- Cenobamate GABA-A receptor; anion channel positive allosteric modulator
- Chlordiazepoxide GABA-A receptor; anion channel positive allosteric modulator
- Chlordiazepoxide hydrochloride GABA-A receptor; anion channel positive allosteric modulator
- Cipepofol GABA-A receptor; anion channel agonist
- Clobazam GABA-A receptor; anion channel positive allosteric modulator
- Clomethiazole GABA-A receptor; anion channel positive allosteric modulator
- Clonazepam GABA-A receptor; anion channel positive allosteric modulator
- Clorazepate dipotassium GABA-A receptor; anion channel positive allosteric modulator
- Clorazepic acid GABA-A receptor; anion channel positive allosteric modulator
- Clotiazepam GABA-A receptor; anion channel positive allosteric modulator
- Darigabat GABA-A receptor; anion channel agonist

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