> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/map2k1-4497ab8d-b990-5d3e-8e15-5320bf37cb8d
> Record changed: 2026-10-13

# MAP2K1

ENSG00000169032

Target class

Kinase

Chromosome

15

Approved drugs

7

Clinical candidates (approved and in development)

20

## Clinical evidence

**Approved drugs**

7

**ClinGen gene-disease validity**

Definitive

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

20

## Druggability

**Chemical probe available**

Yes

## Names

**Target name**

MAP2K1

**Gene name**

Mitogen-activated protein kinase kinase 1

**Gene symbol**

MAP2K1

**Previous gene symbols**

- PRKMK1

**Protein name**

Dual specificity mitogen-activated protein kinase kinase 1 (MAP kinase kinase 1) (MAPKK 1) (MKK1) (EC 2.7.12.2) (ERK activator kinase 1) (MAPK/ERK kinase 1) (MEK 1)

### Other names (3)

- MEK1
- MAPKK1
- MKK1

## Classification

**Gene biotype**

Protein coding

**Gene family**

Mitogen-activated protein kinase kinases

**Target class**

Kinase

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

54

**Protein localisation evidence grade**

Supported

**Highest tissue expression**

99.13

**Tissue specificity (Gini)**

0.237

**Tissue specificity (tau)**

0.634

## Pathways and interactions

**KEGG gene identifiers**

- hsa:5604

**Protein interaction confidence**

0.8715

**Protein interaction partners**

80

### Reactome pathways (15)

- R-HSA-110056
- R-HSA-170968
- R-HSA-445144
- R-HSA-5210891
- R-HSA-5673000
- R-HSA-5674135
- R-HSA-5674499
- R-HSA-5684264
- R-HSA-6802946
- R-HSA-6802948
- R-HSA-6802952
- R-HSA-6802955
- R-HSA-9649948
- R-HSA-9652169
- R-HSA-9656223

## Genomic location

**End position**

66491656

**Start position**

66386825

**Chromosome**

15

**Strand**

Forward

## Identifiers

**Ensembl gene ID**

ENSG00000169032

**HGNC ID**

HGNC:6840

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:6840)

**NCBI Gene ID**

5604

**UniProt ID**

Q02750

## Cellular location

- Cytoplasm, cytoskeleton, microtubule organizing center, centrosome . Cytoplasm, cytoskeleton, microtubule organizing center, spindle pole body . Cytoplasm . Nucleus . Membrane
- Peripheral membrane protein . Note=Localizes at centrosomes during prometaphase, midzone during anaphase and midbody during telophase/cytokinesis (PubMed:14737111). Membrane localization is probably regulated by its interaction with KSR1 (PubMed:10409742). .
- Basal body
- Cytosol
- Plasma membrane

### Publication evidence (3)

- PubMed 14737111  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/14737111/)
- PubMed 10409742  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/10409742/)
- PubMed 17101779  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/17101779/)

## Tissue expression

**Tissue specificity (tau)**

0.634429

**Expression inequality (Gini)**

0.237038

### Highest expression

Expression in transcripts per million

**Cells - EBV-transformed lymphocytes**

99.13

**Brain - Cerebellar Hemisphere**

89.34

**Brain - Frontal Cortex (BA9)**

87.08

**Brain - Nucleus accumbens (basal ganglia)**

71.7

**Brain - Anterior cingulate cortex (BA24)**

55.9

### All tissues (54)

Expression in transcripts per million

- Cells - EBV-transformed lymphocytes99.13
- Brain - Cerebellar Hemisphere89.34
- Brain - Frontal Cortex (BA9)87.08
- Brain - Nucleus accumbens (basal ganglia)71.7
- Brain - Anterior cingulate cortex (BA24)55.9
- Adipose - Subcutaneous53.17
- Brain - Cerebellum51.77
- Artery - Tibial51.39
- Artery - Aorta51.22
- Cells - Cultured fibroblasts47.69
- Esophagus - Mucosa44.26
- Brain - Caudate (basal ganglia)43.52
- Lung43.43
- Artery - Coronary42.42
- Brain - Hippocampus41.51
- Brain - Cortex41.44
- Nerve - Tibial41.3
- Muscle - Skeletal40.9
- Cervix - Ectocervix40.29
- Vagina39.98
- Adipose - Visceral (Omentum)39.35
- Uterus38.93
- Brain - Hypothalamus37.87
- Cervix - Endocervix36.83
- Brain - Amygdala36.63

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes (12)

- GO:0006935  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0006935)
- GO:0007165  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0007165)
- GO:0008285  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0008285)
- GO:0010628  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0010628)
- GO:0032872  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0032872)
- GO:0045893  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0045893)
- GO:0070371  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0070371)
- GO:0070374  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0070374)
- GO:0071902  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0071902)
- GO:0090170  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0090170)
- GO:0090398  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0090398)
- GO:2000641  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:2000641)

### Cellular components (12)

- 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:0005739  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005739)
- GO:0005769  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005769)
- GO:0005770  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005770)
- GO:0005783  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005783)
- GO:0005794  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005794)
- 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:0005925  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005925)
- GO:0016020  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0016020)
- GO:0036064  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0036064)

### Molecular functions (9)

- GO:0004672  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0004672)
- GO:0004674  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0004674)
- GO:0004708  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0004708)
- GO:0004712  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0004712)
- GO:0005078  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005078)
- GO:0005515  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005515)
- GO:0030295  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0030295)
- GO:0043539  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0043539)
- GO:0097110  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0097110)

## Related records

### Trials (1,104)

- "Cocktail" Therapy for Hepatitis B Related Hepatocellular Carcinoma
- "Dabrafenib and Trametinib in Circulating Free DNA BRAFV600 Mutated Metastatic Melanoma Patients: a Prospective Phase II, Open Label, Multicentre Study - (Bioliquid TAILOR Study - BIOTAILOR)"
- (Neo)Adjuvant BRAF/MEK Inhibition in pN1c Melanoma
- 24VA021; VATCH Trametinib for Ras/MAPK Pathway VAs
- 5G-RUBY: Avutometinib and Defactinib in Malignant Brain Tumours
- 601 Versus Ranibizumab in Patients With Branch Retinal Vein Occlusion (BRVO)
- 601 Versus Ranibizumab in Patients With Central Retinal Vein Occlusion (CRVO)
- A 12-Day Randomized, Blinded, Vehicle and Active Comparator-Controlled Study to Determine the Efficacy and Safety of Six Concentrations of Topical E6201 Gel in Subjects With Psoriasis Vulgaris
- A Bioequivalence Study Comparing A Fixed Dose Combination Formulation Of Myrin P Forte That Contains Rifampicin, Isoniazid, Ethambutol And Pyrazinamide Per Tablet To An Equivalent Dose Of Single Drug Reference Preparations Of Similar Combination Following Oral Administration In Healthy Adults
- A Clinical Study Evaluating the Safety and Efficacy of BCMA-GPRC5D CAR-T in Patients With Relapsed/Refractory Multiple Myeloma Who Have Received Three or More Lines of Treatment
- A Clinical Study Evaluating the Safety, Tolerability, and Efficacy of MT1013 in Hemodialysis Subjects With Secondary Hyperparathyroidism
- A Clinical Study Evaluating the Safety, Tolerability, and Initial Efficacy of Single Intravenous Infusion of JWK007 in Patients With Duchenne Muscular Dystrophy (DMD)
- A Clinical Study of Cobimetinib Administered in Combination With Niraparib, With or Without Atezolizumab to Patients With Advanced Platinum-sensitive Ovarian Cancer
- A Clinical Study, to Evaluate the Safety and Tolerability of Intradermal IMM-101 in Adult Melanoma Cancer Patients
- A Clinical Trial of Patients With Melanoma
- A Clinical Trial of Three Study Medicines (Encorafenib, Binimetinib, and Pembrolizumab) in Patients With Advanced or Metastatic Melanoma
- A Clinical Trial to Evaluate a Melanoma Helper Peptide Vaccine Plus Dabrafenib and Trametinib
- A Cohort Study on the Safety and Efficacy of XH-02 in Treating Hypoparathyroidism
- A Combination Product of Sumatriptan and Naproxen Sodium Versus Single-entity Oral Triptans: An Analysis of Real World Data
- A Combination Therapy Study of MK-2206 and AZD6244 in Participants With Advanced Solid Tumors (MK-2206-010)

### Drugs (20)

- AS-703988 Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- Avutometinib Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- AZD-8330 Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- Balamapimod Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- [Binimetinib](https://trialight.com/data/asset/binimetinib-f5914744-65e2-4d8c-8482-9f51a406315e.md) Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- CI-1040 Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- Cobimetinib Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- Cobimetinib fumarate Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- E-6201 Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- Mirdametinib Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- Pimasertib Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- Refametinib Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- RG-7167 Dual specificity mitogen-activated protein kinase kinase; MEK1/2 inhibitor
- RO-4987655 Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- Selumetinib Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- Selumetinib sulfate Dual specificity mitogen-activated protein kinase kinase; MEK1/2 inhibitor
- TAK-733 Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- [Trametinib](https://trialight.com/data/asset/trametinib-97f99b88-da7f-40fc-a4ab-00520da4e98c.md) Dual specificity mitogen-activated protein kinase kinase; MEK1/2 inhibitor
- Trametinib dimethyl sulfoxide Dual specificity mitogen-activated protein kinase kinase 1 inhibitor
- WX-554 Dual specificity mitogen-activated protein kinase kinase 1 inhibitor

---

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