> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/ddr1-7a4ac25a-9ca8-5967-8eb8-cf270e5d4fc1
> Record changed: 2026-11-04

# DDR1

ENSG00000204580

Target class

Kinase

Chromosome

6

## Druggability

**Chemical probe available**

Yes

## Names

**Target name**

DDR1

**Gene name**

Discoidin domain receptor tyrosine kinase 1

**Gene symbol**

DDR1

**Protein name**

Epithelial discoidin domain-containing receptor 1 (Epithelial discoidin domain receptor 1) (EC 2.7.10.1) (CD167 antigen-like family member A) (Cell adhesion kinase) (Discoidin receptor tyrosine kinase) (HGK2) (Mammary carcinoma kinase 10) (MCK-10) (Protein-tyrosine kinase 3A) (Protein-tyrosine kinase RTK-6) (TRK E) (Tyrosine kinase DDR) (Tyrosine-protein kinase CAK) (CD antigen CD167a)

### Other names (2)

- RTK6
- CD167

### Previous gene symbols (5)

- NTRK4
- PTK3A
- NEP
- CAK
- EDDR1

## Classification

**Gene biotype**

Protein coding

**Gene family**

Receptor tyrosine kinases|CD molecules|MicroRNA protein coding host genes

**Target class**

Kinase

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

53

**Protein localisation evidence grade**

Supported

**Highest tissue expression**

104.7

**Tissue specificity (Gini)**

0.387

**Tissue specificity (tau)**

0.651

## Pathways and interactions

**KEGG gene identifiers**

- hsa:780

**Reactome pathways**

- R-HSA-3000171

**Protein interaction confidence**

0.7644

**Protein interaction partners**

5

## Genomic location

**End position**

30900978

**Start position**

30876421

**Chromosome**

6

**Strand**

Forward

## Identifiers

**Ensembl gene ID**

ENSG00000204580

**HGNC ID**

HGNC:2730

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:2730)

**NCBI Gene ID**

780

**UniProt ID**

Q08345

## Cellular location

- \[Isoform 1\]: Cell membrane
- Single-pass type I membrane protein.
- SUBCELLULAR LOCATION: \[Isoform 2\]: Cell membrane
- Single-pass type I membrane protein.
- SUBCELLULAR LOCATION: \[Isoform 3\]: Secreted .
- SUBCELLULAR LOCATION: \[Isoform 4\]: Cell membrane
- Single-pass type I membrane protein.
- Plasma membrane

## Tissue expression

**Tissue specificity (tau)**

0.651408

**Expression inequality (Gini)**

0.387094

### Highest expression

Expression in transcripts per million

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

104.7

**Esophagus - Mucosa**

104.24

**Minor Salivary Gland**

101.45

**Skin - Not Sun Exposed (Suprapubic)**

96.61

**Skin - Sun Exposed (Lower leg)**

90.41

### All tissues (54)

Expression in transcripts per million

- Brain - Spinal cord (cervical c-1)104.7
- Esophagus - Mucosa104.24
- Minor Salivary Gland101.45
- Skin - Not Sun Exposed (Suprapubic)96.61
- Skin - Sun Exposed (Lower leg)90.41
- Thyroid90.05
- Vagina83.53
- Kidney - Medulla65.6
- Pituitary62.49
- Brain - Substantia nigra62.32
- Prostate60.92
- Breast - Mammary Tissue50.6
- Brain - Hypothalamus47.21
- Brain - Cortex44.22
- Ovary41.97
- Kidney - Cortex41.83
- Brain - Amygdala41.6
- Brain - Nucleus accumbens (basal ganglia)41.04
- Stomach40.21
- Nerve - Tibial39.85
- Brain - Caudate (basal ganglia)38.52
- Brain - Hippocampus38.27
- Colon - Transverse36.94
- Brain - Anterior cingulate cortex (BA24)35.74
- Small Intestine - Terminal Ileum34.49

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes (8)

- GO:0007155  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0007155)
- GO:0010715  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0010715)
- GO:0014909  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0014909)
- GO:0038063  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0038063)
- GO:0038083  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0038083)
- GO:0044319  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0044319)
- GO:0046777  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0046777)
- GO:0061302  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0061302)

### Cellular components (4)

- GO:0005576  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005576)
- GO:0005886  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005886)
- GO:0043235  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0043235)
- GO:0070062  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0070062)

### Molecular functions (4)

- GO:0004714  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0004714)
- GO:0005515  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005515)
- GO:0005518  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005518)
- GO:0038062  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0038062)

## Related records

### Trials (378)

- 2nd or 3rd TKI-stop After 2 Years Nilotinib Pre-treatment in CML-patients
- [A Bioavailability Study of Nilotinib in Healthy, Adult, Human Subjects Under Fasted Conditions.](https://trialight.com/data/trial/a-bioavailability-study-of-nilotinib-in-healthy-adult-human-f7d20eaf-476a-45ea-a3de-fe8c18c17cb3.md)
- A Clinical Trial of the Safety, Pharmacokinetics and Hematologic Effects of Imatinib on Myelopoiesis in Adults When Given With and Without Isoniazid and Rifabutin
- A Clinical Trial to Evaluate the Effect of Nilotinib on the PK/PD of Meformin
- A Dose-finding Study of a Combination of Imatinib and BKM120 in the Treatment of 3rd Line GIST Patients
- A Dose-finding Study of a Combination of Imatinib and BYL719 in the Treatment of 3rd Line GIST Patients
- A Multicenter Phase 3, Open-Label Study of Bosutinib Versus Imatinib in Adult Patients With Newly Diagnosed Chronic Phase Chronic Myelogenous Leukemia
- A Pharmacokinetic (PK) Study of Nilotinib in Pediatric Patients With Philadelphia Chromosome-positive (Ph+) Chronic Myelogenous Leukemia (CML) or Acute Lymphoblastic Leukemia (ALL)
- A Phase I Study of Nilontinib and Cetuximab in Patients With Solid Tumors
- A Phase I Study of Oral Asciminib (ABL001) in Patients With CML or Ph+ ALL
- A Phase Ib Study of LXH254-centric Combinations in NSCLC or Melanoma
- A Phase II Study of Flumatinib Versus Imatinib to Treat Philadelphia Chromosome Positive Chronic Myelogenous Leukemia
- A Phase II Study of Imatinib Versus Interferon as Adjuvant Therapy in KIT-mutated Melanoma
- A Phase III Randomized Trial of the Reduction of Chemotherapy in Philadelphia Chromosome-positive ALL of Young Adults
- A Phase III Study of Dasatinib vs Imatinib in Patients With Newly Diagnosed Chronic Phase Chronic Myeloid Leukemia
- A Phase l/ll Study of AMN107 in Adult Patients With Glivec-intolerant CML or Relapsed-refractory Ph+ALL
- A Pilot Study of Genomic Sequencing Guided Individualized Therapy in Gastrointestinal Cancers, GITIC Study
- A Pilot Study of Imatinib Mesylate in Steroid Refractory Chronic Graft Versus Host Disease
- A Prospective, Multicenter Study on Best Clinical Use of Imatinib in the Advanced Gastrointestinal Stromal Tumors
- A Prospective, Randomized, Multicenter, Comparative Study of the Efficacy of Imatinib Resumption Combined With Atezolizumab Versus Imatinib Resumption Alone in Patients With Unresectable Advanced Gastrointestinal Stromal Tumors (GIST) After Failure of Standard Treatments

### Drugs (5)

- Imatinib
- Merestinib
- Naporafenib
- [Nilotinib](https://trialight.com/data/asset/nilotinib-d65cd4c2-39a0-42fd-a05f-8b1e12926bb2.md)
- Pralsetinib

---

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