> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/tas2r38-5be7eff8-5b77-5066-9863-c65c963d960e
> Record changed: 2026-11-04

# TAS2R38

ENSG00000257138

Target class

GPCR

Chromosome

7

## Druggability

**Chemical probe available**

No

## Names

**Other names**

- T2R61

**Target name**

TAS2R38

**Gene name**

Taste 2 receptor member 38

**Gene symbol**

TAS2R38

**Previous gene symbols**

- PTC

**Protein name**

Taste receptor type 2 member 38 (T2R38) (PTC bitter taste receptor) (Taste receptor type 2 member 61) (T2R61)

## Classification

**Gene biotype**

Protein coding

**Gene family**

Taste 2 receptors

**Target class**

GPCR

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

0

**Highest tissue expression**

0.16

**Tissue specificity (Gini)**

0.955

**Tissue specificity (tau)**

0.982

## Pathways and interactions

**KEGG gene identifiers**

- hsa:5726

**Protein interaction confidence**

0.882429

**Protein interaction partners**

7

### Reactome pathways (3)

- R-HSA-418594
- R-HSA-420499
- R-HSA-9717207

## Genomic location

**End position**

141973773

**Start position**

141972631

**Chromosome**

7

**Strand**

Reverse

## Identifiers

**Ensembl gene ID**

ENSG00000257138

**HGNC ID**

HGNC:9584

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:9584)

**NCBI Gene ID**

5726

**UniProt ID**

P59533

## Cellular location

- Membrane
- Multi-pass membrane protein.

## Tissue expression

**Tissue specificity (tau)**

0.982311

**Expression inequality (Gini)**

0.955197

### Highest expression

Expression in transcripts per million

**Small Intestine - Terminal Ileum**

0.16

**Testis**

0.1

**Pancreas**

0.03

**Colon - Transverse**

0.02

**Artery - Aorta**

0

### All tissues (54)

Expression in transcripts per million

- Small Intestine - Terminal Ileum0.16
- Testis0.1
- Pancreas0.03
- Colon - Transverse0.02
- Artery - Aorta0
- Cervix - Ectocervix0
- Lung0
- Breast - Mammary Tissue0
- Brain - Anterior cingulate cortex (BA24)0
- Brain - Nucleus accumbens (basal ganglia)0
- Skin - Not Sun Exposed (Suprapubic)0
- Adrenal Gland0
- Brain - Frontal Cortex (BA9)0
- Colon - Sigmoid0
- Ovary0
- Cells - EBV-transformed lymphocytes0
- Cervix - Endocervix0
- Brain - Substantia nigra0
- Brain - Amygdala0
- Nerve - Tibial0
- Esophagus - Mucosa0
- Fallopian Tube0
- Brain - Hippocampus0
- Cells - Cultured fibroblasts0
- Minor Salivary Gland0

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes

- GO:0001580  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0001580)

### Cellular components (2)

- GO:0005886  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005886)
- GO:0016020  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0016020)

### Molecular functions

- GO:0033038  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0033038)

## Related records

### Trials (98)

- 10-Propargyl-10-Deazaaminopterin Plus Probenecid in Treating Patients With Advanced Solid Tumors
- A Clinical Follow-up Study on Drug Therapy for Graves' Disease Patients in China
- A Clinical Study of Hyperthyroidism in Children
- A Clinical Study of MK-8527 in Healthy Participants (MK-8527-021)
- A Conservative vs an Ablative Approach for Treatment of Hyperthyroidism in Patients With Graves' Orbitopathy
- A Drug Interaction Study of VI-0521 With Metformin, Sitagliptan and Probenecid in Healthy Subjects.
- A Phase 1 Study to Evaluate the Effect of the Organic Anion Transporter Inhibitor Probenecid on the Pharmacokinetics of JNJ-64041575 in Healthy Adults
- A Relative Bioavailability Study With a Novel PanCytoVir™ Oral Suspension (100 mg/ml)
- A Study in Healthy People to Test How 2 Different Formulations of BI 690517 Are Taken up in the Body and How Probenecid Influences the Amount of BI 690517 in the Blood
- A Study of Baricitinib and Probenecid in Healthy Participants
- A Study of Cidofovir in HIV-Infected Children With Cytomegalovirus (CMV) Disease
- A Study to Assess Pharmacokinetics of PF-04965842 and Its Metabolites and Effect of Probenecid in Healthy Participants
- A Study to Assess the Effect of Povorcitinib on Digoxin, Rosuvastatin, and Metformin Pharmacokinetics and the Effect of Probenecid on Povorcitinib Pharmacokinetics When Administered Orally to Healthy Adult Participants
- A Study to Assess the Effects of Multiple-Dose Probenecid on the Multiple-Dose Pharmacokinetics of Canagliflozin in Healthy Volunteers
- A Study to Assess the Effects of Probenecid on the Pharmacokinetics of Mirdametinib and Its Metabolites in Healthy Participants
- A Study to Evaluate the Drug-drug Interactions (DDIs) of DBPR108 With Warfarin Sodium, Digoxin, Probenecid in Healthy Subjects
- A Study to Evaluate the Efficacy of PanCytoVir™ for the Treatment of Non-Hospitalized Patients With COVID-19 Infection
- A Study to Evaluate the Use of Cidofovir (an Experimental Drug) for the Treatment of Progressive Multifocal Leukoencephalopathy (PML) in AIDS Patients
- A Study to Learn About How the Study Medicines Called Itraconazole and Probenecid Change How the Body Processes PF-07220060
- A Trial Investigating the Effect of Probenecid and Ciclosporin on the Concentrations of SNAC in Healthy Subjects

### Drugs (3)

- Methimazole
- [Probenecid](https://trialight.com/data/asset/probenecid-0864a3cb-3764-4994-8995-3400af689d1e.md)
- Propylthiouracil

---

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