> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/cacnb2-0b297a77-ce96-5d3b-a11b-cbf3d5a7090d
> Record changed: 2026-10-13

# CACNB2

ENSG00000165995

Target class

Auxiliary transport protein

Chromosome

10

Approved drugs

6

Clinical candidates (approved and in development)

9

## Clinical evidence

**Approved drugs**

6

**ClinGen gene-disease validity**

Disputed

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

9

## Druggability

**Chemical probe available**

No

## Names

**Target name**

CACNB2

**Gene name**

Calcium voltage-gated channel auxiliary subunit beta 2

**Gene symbol**

CACNB2

**Protein name**

Voltage-dependent L-type calcium channel subunit beta-2 (CAB2) (Calcium channel voltage-dependent subunit beta 2) (Lambert-Eaton myasthenic syndrome antigen B) (MYSB)

### Previous gene symbols (2)

- MYSB
- CACNLB2

## Classification

**Gene biotype**

Protein coding

**Gene family**

Membrane associated guanylate kinases|Calcium voltage-gated channel auxiliary beta subunits

**Target class**

Auxiliary transport protein

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

52

**Highest tissue expression**

40.3

**Tissue specificity (Gini)**

0.496

**Tissue specificity (tau)**

0.796

## Pathways and interactions

**KEGG gene identifiers**

- hsa:783

**Protein interaction confidence**

0.822566

**Protein interaction partners**

53

### Reactome pathways (8)

- R-HSA-112308
- R-HSA-400042
- R-HSA-419037
- R-HSA-422356
- R-HSA-5576892
- R-HSA-5576893
- R-HSA-9662360
- R-HSA-9856532

## Genomic location

**End position**

18543557

**Start position**

18140424

**Chromosome**

10

**Strand**

Forward

## Identifiers

**Ensembl gene ID**

ENSG00000165995

**HGNC ID**

HGNC:1402

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:1402)

**NCBI Gene ID**

783

**UniProt ID**

Q08289

## Cellular location

- Cell membrane, sarcolemma
- Peripheral membrane protein
- Cytoplasmic side .

## Tissue expression

**Tissue specificity (tau)**

0.795501

**Expression inequality (Gini)**

0.495645

### Highest expression

Expression in transcripts per million

**Esophagus - Muscularis**

40.3

**Esophagus - Gastroesophageal Junction**

35.89

**Brain - Cerebellar Hemisphere**

27.65

**Pituitary**

23.96

**Brain - Cerebellum**

23.26

### All tissues (54)

Expression in transcripts per million

- Esophagus - Muscularis40.3
- Esophagus - Gastroesophageal Junction35.89
- Brain - Cerebellar Hemisphere27.65
- Pituitary23.96
- Brain - Cerebellum23.26
- Bladder21.17
- Colon - Sigmoid20.19
- Brain - Frontal Cortex (BA9)17.7
- Ovary17.35
- Fallopian Tube13.98
- Brain - Cortex13.64
- Uterus13.53
- Cervix - Ectocervix13.4
- Artery - Tibial12.06
- Cervix - Endocervix11.39
- Brain - Anterior cingulate cortex (BA24)11.05
- Small Intestine - Terminal Ileum9.68
- Brain - Nucleus accumbens (basal ganglia)9.36
- Colon - Transverse9.26
- Prostate9.22
- Heart - Atrial Appendage8.75
- Brain - Hypothalamus7.8
- Heart - Left Ventricle7.72
- Artery - Coronary7.7
- Artery - Aorta6.98

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes (6)

- GO:0007528  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0007528)
- GO:0051928  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0051928)
- GO:0070509  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0070509)
- GO:0086045  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0086045)
- GO:0086091  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0086091)
- GO:0098912  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0098912)

### Cellular components (3)

- GO:0005886  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005886)
- GO:0005891  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005891)
- GO:1990454  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:1990454)

### Molecular functions (5)

- GO:0005245  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005245)
- GO:0005515  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005515)
- GO:0008331  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0008331)
- GO:0086007  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0086007)
- GO:0086056  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0086056)

## Related records

### Trials (1,011)

- 'Fix the Dysfunction' Concept for Mechanism-based Pharmacological Treatment of Neuropathic Pain by Drug
- \[S,S\]-Reboxetine Add-On Trial
- 12-Week Efficacy And Safety Of Pregabalin In Treating Restless Legs Syndrome (RLS) Subjects
- 6-Month Open-Label Safety Study Of PD 0332334 In Elderly Patients With Generalized Anxiety Disorder (GAD)
- 600 mg Amoxicillin/42.9 mg Clavulanate Postassium /5 mL Suspension Under Fasting Conditions
- A 10-Week Study Evaluating the Efficacy And Safety of PD 0332334 for the Treatment of Generalized Anxiety Disorder
- A 10-week Study Evaluating the Efficacy and Safety of PD 0332334 for the Treatment of Generalized Anxiety Disorder (3)
- A 10-week Study Evaluating the Efficacy and Safety of PD 0332334 in Patients With Generalized Anxiety Disorder (1)
- A 10-week Study Evaluating the Efficacy and Safety of PD 0332334 in Patients With Generalized Anxiety Disorder (2)
- A 12-Month Study To Evaluate The Safety And Tolerability Of Pregabalin As Add-On Therapy In Pediatric Subjects 1 Month To 16 Years Of Age With Partial Onset Seizures And Pediatric And Adult Subjects 5 To 65 Years Of Age With Primary Generalized Tonic-Clonic Seizures
- A 13-Week, Randomized, Double-Blind, Multicenter, Placebo-Controlled Study Of Pregabalin For Postherpetic Neuralgia
- A 17-Week Trial To Assess Pregabalin For The Treatment Of Nerve Pain Due To Spinal Cord Injury
- A 2-part Study to Assess Local Tolerability, Safety and Pharmacokinetics of Ceftaroline in Healthy Subjects
- A 2-part Trial to Learn More About How BAY1817080 Works, How Safe it is, and What the Right Dose is for Participants With Diabetic Neuropathic Pain
- A 28-Day Polysomnographic Study of Gabapentin in Transient Insomnia Induced by a Sleep Phase Advance
- A 2x2 Factorial, Randomized, Open-label Trial to Evaluate Neuromodulators and Cough Control Therapy in Patients With Refractory or Unexplained Chronic Cough
- A 5-Week Trial Of PD 0332334 And Alprazolam Extended Release Compared To Placebo In Patients With Generalized Anxiety Disorder
- A 52-Week Open-Label Safety Study of PD 0332334 in Subjects With Generalized Anxiety Disorder (GAD)
- A Clinical Study in Subjects With Neuropathic Pain From PHN Who Have Had an Inadequate Response to Gabapentin Treatment
- A Clinical Trial to Compare The Pharmacokinetics of A Pregabalin GLARS Tablet 150mg With Immediate Release Formulation and to Assess The Effect of High Fat Diet in Healthy Male Subjects

### Drugs (11)

- Atagabalin Voltage-gated calcium channel modulator
- Bepridil Voltage-gated calcium channel blocker
- Bepridil hydrochloride Voltage-gated calcium channel blocker
- Gabapentin Voltage-gated calcium channel modulator
- Gabapentin enacarbil Voltage-gated calcium channel modulator
- Imagabalin Voltage-gated calcium channel modulator
- Phloroglucinol Voltage-gated calcium channel blocker
- [Pregabalin](https://trialight.com/data/asset/pregabalin-c76529d4-1815-46a3-954e-cf21d394857b.md) Voltage-gated calcium channel modulator
- Suloctidil Voltage-gated calcium channel blocker
- Terodiline Voltage-gated calcium channel blocker
- Terodiline hydrochloride Voltage-gated calcium channel blocker

---

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