> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/tubb4a-ad5f7184-fd22-58b7-a66c-95289ce2e093
> Record changed: 2026-10-13

# TUBB4A

ENSG00000104833

Target class

Structural protein

Chromosome

19

Approved drugs

19

Clinical candidates (approved and in development)

84

## Clinical evidence

**Approved drugs**

19

**ClinGen gene-disease validity**

Definitive

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

84

## Druggability

**Chemical probe available**

No

## Names

**Other names**

- beta-5

**Target name**

TUBB4A

**Gene name**

Tubulin beta 4A class IVa

**Gene symbol**

TUBB4A

**Protein name**

Tubulin beta-4A chain (Tubulin 5 beta) (Tubulin beta-4 chain)

### Previous gene symbols (2)

- TUBB4
- DYT4

## Classification

**Gene biotype**

Protein coding

**Gene family**

Tubulin beta family

**Target class**

Structural protein

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

27

**Protein localisation evidence grade**

Supported

**Highest tissue expression**

988.75

**Tissue specificity (Gini)**

0.824

**Tissue specificity (tau)**

0.933

## Pathways and interactions

**KEGG gene identifiers**

- hsa:10382

**Protein interaction confidence**

0.8487

**Protein interaction partners**

30

### Reactome pathways (37)

- R-HSA-1445148
- R-HSA-190840
- R-HSA-190861
- R-HSA-2132295
- R-HSA-2467813
- R-HSA-2500257
- R-HSA-2565942
- R-HSA-3371497
- R-HSA-380259
- R-HSA-380270
- R-HSA-380284
- R-HSA-380320
- R-HSA-389957
- R-HSA-389960
- R-HSA-389977
- R-HSA-437239
- R-HSA-5610787
- R-HSA-5620912
- R-HSA-5620920
- R-HSA-5620924
- R-HSA-5626467
- R-HSA-5663220
- R-HSA-6807878
- R-HSA-6811434
- R-HSA-6811436

And 12 more, listed on the interactive page.

## Genomic location

**End position**

6502848

**Start position**

6494319

**Chromosome**

19

**Strand**

Reverse

## Identifiers

**Ensembl gene ID**

ENSG00000104833

**HGNC ID**

HGNC:20774

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:20774)

**NCBI Gene ID**

10382

**UniProt ID**

P04350

## Cellular location

- Cytoplasm, cytoskeleton.
- Basal body
- Cytokinetic bridge
- End piece
- Flagellar centriole
- Microtubules
- Mitotic spindle
- Primary cilium
- Primary cilium tip
- Principal piece

## Tissue expression

**Tissue specificity (tau)**

0.932633

**Expression inequality (Gini)**

0.824425

### Highest expression

Expression in transcripts per million

**Brain - Cerebellar Hemisphere**

988.75

**Brain - Cerebellum**

895.32

**Brain - Spinal cord (cervical c-1)**

446.23

**Brain - Frontal Cortex (BA9)**

305.65

**Brain - Cortex**

258.5

### All tissues (54)

Expression in transcripts per million

- Brain - Cerebellar Hemisphere988.75
- Brain - Cerebellum895.32
- Brain - Spinal cord (cervical c-1)446.23
- Brain - Frontal Cortex (BA9)305.65
- Brain - Cortex258.5
- Brain - Substantia nigra186.65
- Brain - Hippocampus185.54
- Brain - Hypothalamus176.08
- Brain - Nucleus accumbens (basal ganglia)174.77
- Brain - Caudate (basal ganglia)170.04
- Brain - Anterior cingulate cortex (BA24)168.73
- Brain - Putamen (basal ganglia)168.28
- Brain - Amygdala131.6
- Adrenal Gland109.64
- Testis80.06
- Nerve - Tibial30.81
- Spleen6.77
- Colon - Sigmoid4.81
- Cells - EBV-transformed lymphocytes2.55
- Esophagus - Muscularis2.18
- Esophagus - Gastroesophageal Junction2.11
- Colon - Transverse1.99
- Small Intestine - Terminal Ileum1.58
- Skin - Sun Exposed (Lower leg)1.5
- Pituitary1.3

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes

- GO:0031115  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0031115)

### Cellular components (12)

- GO:0005634  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005634)
- GO:0005829  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005829)
- GO:0005874  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005874)
- GO:0005929  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005929)
- GO:0005930  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005930)
- GO:0015630  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0015630)
- GO:0045171  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0045171)
- GO:0070062  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0070062)
- GO:0072686  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0072686)
- GO:0097228  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0097228)
- GO:0097229  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0097229)
- GO:0097542  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0097542)

### Molecular functions (2)

- GO:0005509  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005509)
- GO:0005515  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005515)

## Related records

### Trials (9,123)

- 'ADVANCE' (A Pilot Trial)
- "Curcumin" in Combination With Chemotherapy in Advanced Breast Cancer
- "Phase II Study of PET Guided Neoadjuvant Chemotherapy (NAC) and Oncotype Guided Hormonal Therapy of Breast Cancer"
- "Prevention of Paclitaxel-Induced Peripheral Neuropathy in Breast Cancer Patients"
- \[18F\]FLT PET/CT in Rb+ Metastatic Breast Cancer
- \[18F\]Fluciclatide-PET, Pazopanib and Paclitaxel in Ovarian Cancer
- 05-001: Treatment of Acute Lymphoblastic Leukemia in Children
- 0822GCC: Phase 2 Study of Efficacy and Safety of Apricoxib/Placebo With Docetaxel or Pemetrexed in Non-Small Cell Lung Cancer
- 1 or 6 Months of Dual Antiplatelet Therapy After Drug-coated Balloon Angioplasty for De-novo Small Coronary Artery Disease
- 1-Methyl-D-Tryptophan and Docetaxel in Treating Patients With Metastatic Solid Tumors
- 12 weekS Adjuvant dOcetaxel Plus trastuzumaB in Patients With Small, Node-negative, HER2-positive Breast cancER (SOBER)
- 1303GCC: Trastuzmab & Pertuzumab With Hormonal Therapy or Chemotherapy in Women Aged 60 and Over.
- 131I-MIBG Alone VS. 131I-MIBG With Vincristine and Irinotecan VS131I-MIBG With Vorinostat
- 17-N-Allylamino-17-Demethoxygeldanamycin and Paclitaxel in Treating Patients With Metastatic or Unresectable Solid Tumor
- 177 LuPSMA-617 vs Docetaxel in Metastatic Castration Resistant and PSMA-Positive Prostate Cancer
- 1st Line Treatment of Bevacizumab-Taxane vs Bevacizumab-Exemestane in Metastatic Breast Cancer
- 2-arm Trial of Paclitaxel Plus Bevacizumab vs. Capecitabine Plus Bevacizumab
- 24BRO681 : Alternating Gnp and mFOLFIRINOX for BR-PDAC
- 2nd Line Erlotinib Treatment With (Out) Chemotherapy of Advanced Non Small Cell Lung Cancer (NSCLC)
- 3-AP Plus Cisplatin and Paclitaxel in Treating Patients With Advanced or Metastatic Cancer

### Drugs (89)

- ABT-751 Tubulin beta inhibitor
- AGS-16C3F Tubulin disrupting agent
- Anetumab ravtansine Tubulin inhibitor
- ANG1005 Tubulin inhibitor
- Anvatabart opadotin Tubulin inhibitor
- Aprutumab ixadotin Tubulin inhibitor
- ASG-5ME Tubulin inhibitor
- AVE-9633 Tubulin inhibitor
- Azintuxizumab vedotin Tubulin inhibitor
- Belantamab mafodotin Tubulin inhibitor
- BIIB-015 Tubulin inhibitor
- Bivatuzumab mertansine Tubulin inhibitor
- BMS-275183 Tubulin stabiliser
- [Brentuximab vedotin](https://trialight.com/data/asset/brentuximab-vedotin-b112eac4-7573-41dc-af6c-6c9212132a79.md) Tubulin inhibitor
- [Cabazitaxel](https://trialight.com/data/asset/cabazitaxel-9437ae6b-3713-457c-b52b-a71e10a81dde.md) Tubulin inhibitor
- Cantuzumab mertansine Tubulin inhibitor
- Cantuzumab ravtansine Tubulin inhibitor
- [Colchicine](https://trialight.com/data/asset/colchicine-ae804b3e-3263-453f-abb3-ae1e813f2ccf.md) Tubulin inhibitor
- Coltuximab ravtansine Tubulin inhibitor
- Crolibulin Tubulin inhibitor

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