> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/tyk2-b41bcab9-b384-5a30-9edf-ec61d7908e06
> Record changed: 2026-10-13

# TYK2

ENSG00000105397

Target class

Kinase

Chromosome

19

Approved drugs

7

Clinical candidates (approved and in development)

14

## Clinical evidence

**Approved drugs**

7

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

14

## Druggability

**Chemical probe available**

Yes

## Names

**Other names**

- JTK1

**Target name**

TYK2

**Gene name**

Tyrosine kinase 2

**Gene symbol**

TYK2

**Protein name**

Non-receptor tyrosine-protein kinase TYK2 (EC 2.7.10.2)

## Classification

**Gene biotype**

Protein coding

**Gene family**

FERM domain containing|Jak family tyrosine kinases

**Target class**

Kinase

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

54

**Protein localisation evidence grade**

Approved

**Highest tissue expression**

100.47

**Tissue specificity (Gini)**

0.298

**Tissue specificity (tau)**

0.643

## Pathways and interactions

**KEGG gene identifiers**

- hsa:7297

**Protein interaction confidence**

0.853047

**Protein interaction partners**

107

### Reactome pathways (21)

- R-HSA-1059683
- R-HSA-110056
- R-HSA-112411
- R-HSA-449836
- R-HSA-6783783
- R-HSA-6785807
- R-HSA-6788467
- R-HSA-8854691
- R-HSA-8984722
- R-HSA-9020591
- R-HSA-9020933
- R-HSA-9020956
- R-HSA-909733
- R-HSA-912694
- R-HSA-9674555
- R-HSA-9679191
- R-HSA-9705462
- R-HSA-9705671
- R-HSA-9725370
- R-HSA-9833109
- R-HSA-9958825

## Genomic location

**End position**

10380608

**Start position**

10350528

**Chromosome**

19

**Strand**

Reverse

## Identifiers

**Ensembl gene ID**

ENSG00000105397

**HGNC ID**

HGNC:12440

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:12440)

**NCBI Gene ID**

7297

**UniProt ID**

P29597

## Cellular location

- Cytosol

## Tissue expression

**Tissue specificity (tau)**

0.642743

**Expression inequality (Gini)**

0.298022

### Highest expression

Expression in transcripts per million

**Cells - EBV-transformed lymphocytes**

100.47

**Spleen**

95

**Whole Blood**

78.64

**Lung**

65.86

**Nerve - Tibial**

65.39

### All tissues (54)

Expression in transcripts per million

- Cells - EBV-transformed lymphocytes100.47
- Spleen95
- Whole Blood78.64
- Lung65.86
- Nerve - Tibial65.39
- Thyroid61.37
- Cervix - Endocervix58.88
- Ovary55.75
- Brain - Cerebellum53.94
- Pituitary53.24
- Uterus52.79
- Cervix - Ectocervix50.28
- Prostate50.07
- Small Intestine - Terminal Ileum49.12
- Brain - Cerebellar Hemisphere48.47
- Fallopian Tube48.43
- Adipose - Subcutaneous44.62
- Breast - Mammary Tissue44.6
- Cells - Cultured fibroblasts42.65
- Bladder41.84
- Vagina41.23
- Skin - Sun Exposed (Lower leg)40.34
- Minor Salivary Gland40.02
- Skin - Not Sun Exposed (Suprapubic)38.3
- Adipose - Visceral (Omentum)36.82

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes (9)

- GO:0006468  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0006468)
- GO:0007259  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0007259)
- GO:0019221  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0019221)
- GO:0035722  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0035722)
- GO:0038155  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0038155)
- GO:0060333  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0060333)
- GO:0060337  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0060337)
- GO:0140105  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0140105)
- GO:1900182  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:1900182)

### Cellular components (8)

- GO:0005634  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005634)
- GO:0005737  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005737)
- GO:0005829  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005829)
- GO:0005886  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005886)
- GO:0009898  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0009898)
- GO:0019897  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0019897)
- GO:0031234  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0031234)
- GO:0070062  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0070062)

### Molecular functions (4)

- GO:0004713  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0004713)
- GO:0004715  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0004715)
- GO:0005131  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005131)
- GO:0005515  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005515)

## Related records

### Trials (574)

- 3T Therapy in the Treatment of MDA5-positive Dermatomyositis
- 68Ga-THP-PSMA PET/CT in Prostate Cancer: Clinical Stage and Restage
- A 12 Day Study To Evaluate A Topical Drug To Treat Plaque Psoriasis
- A 12-Week Open-Label Study to Investigate the Efficacy and Safety of Brepocitinib in Adults With Skin-Predominant Dermatomyositis
- A 16-week Trial to Investigate the Efficacy and Safety of Delgocitinib Cream 20 mg/g in Adult Participants With Mild to Severe Palmoplantar Pustulosis
- A 2-Year Phase 3 Study Of CP-690,550 In Patients With Active Rheumatoid Arthritis On Background Methotrexate
- A 24 Week Trial to Compare the Efficacy and Safety of Delgocitinib Cream 20 mg/g Twice-daily With Alitretinoin Capsules Once-daily in Adult Participants With Severe Chronic Hand Eczema
- A 44-week Monocentric Open Study Assessing the Efficacy and Safety of Deucravacitinib in Adults With Inflammatory Genodermatoses
- A 52-Week Trial to Investigate the Efficacy and Safety of Delgocitinib Cream in Adult Participants With Lichen Sclerosus
- A 6-Month Study Of CP-690,550 Versus Tacrolimus In Kidney Transplant Patients
- A Clinical Study to Evaluate the Efficacy and Safety of D-2570 in the Treatment of Moderate to Severe Plaque Psoriasis
- A Clinical Trial of TQH3906 Capsules in Adult Patients With Moderate to Severe Plaque Psoriasis
- A Clinical Trial of TQH3906 Capsules in the Treatment of Active Psoriatic Arthritis
- A DOSE-RANGING STUDY TO EVALUATE EFFICACY AND SAFETY OF PF-06700841 IN SYSTEMIC LUPUS ERYTHEMATOSUS (SLE)
- A Drug Drug Interaction Study Between PF-06826647 And Oral Contraceptive Steroids In Healthy Female Participants
- A Drug Interaction Study to Evaluate the Pharmacokinetics of ASP015K and Metformin
- A Drug Interaction Study to Evaluate the Pharmacokinetics of ASP015K and Methotrexate in Patients With Rheumatoid Arthritis
- A First in Human Study to Evaluate Safety, Tolerability, and Pharmacology of PF-06826647 in Healthy Subjects and Subjects With Plaque Psoriasis
- A Long Term Study To Evaluate The Safety And Tolerability Of CP-690,550 For Patients With Moderate To Severe Chronic Plaque Psoriasis
- A Long Term Study To Evaluate The Safety, Tolerability And Efficacy Of CP-690,550 In Patients With Moderate To Severe Plaque Psoriasis And/Or Psoriatic Arthritis

### Drugs (18)

- Brepocitinib Tyrosine-protein kinase TYK2 inhibitor
- Cerdulatinib Tyrosine-protein kinase TYK2 inhibitor
- Cravacitinib Tyrosine-protein kinase TYK2 negative allosteric modulator
- Delgocitinib Janus Kinase (JAK) inhibitor
- [Deucravacitinib](https://trialight.com/data/asset/deucravacitinib-3033fa9d-d652-4397-81c1-5e76480167af.md) Tyrosine-protein kinase TYK2 negative allosteric modulator
- Deuruxolitinib phosphate Tyrosine-protein kinase TYK2 inhibitor
- Filgotinib Tyrosine-protein kinase TYK2 inhibitor
- Filgotinib maleate Tyrosine-protein kinase TYK2 inhibitor
- Gusacitinib Janus Kinase (JAK) inhibitor
- Izencitinib Janus Kinase (JAK) inhibitor
- Nezulcitinib Janus Kinase (JAK) inhibitor
- Peficitinib Janus Kinase (JAK) inhibitor
- Ropsacitinib Tyrosine-protein kinase TYK2 inhibitor
- [Ruxolitinib](https://trialight.com/data/asset/ruxolitinib-3ab34d42-3776-4160-9bc2-d149204acfd5.md) Tyrosine-protein kinase TYK2 inhibitor
- Tofacitinib Janus Kinase (JAK) inhibitor
- Tofacitinib citrate Janus Kinase (JAK) inhibitor
- Upadacitinib Tyrosine-protein kinase TYK2 inhibitor
- Upadacitinib hemihydrate Tyrosine-protein kinase TYK2 inhibitor

---

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