> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/il31ra-825a369f-0cc9-54f5-9559-0118b7d5b555
> Record changed: 2026-10-13

# IL31RA

ENSG00000164509

Target class

Membrane receptor

Chromosome

5

Approved drugs

1

Clinical candidates (approved and in development)

1

## Clinical evidence

**Approved drugs**

1

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

1

## Druggability

**Chemical probe available**

No

## Names

**Target name**

IL31RA

**Gene name**

Interleukin 31 receptor A

**Gene symbol**

IL31RA

**Protein name**

Interleukin-31 receptor subunit alpha (IL-31 receptor subunit alpha) (IL-31R subunit alpha) (IL-31R-alpha) (IL-31RA) (Cytokine receptor-like 3) (GLM-R) (hGLM-R) (Gp130-like monocyte receptor) (Gp130-like receptor) (ZcytoR17)

### Other names (5)

- CRL3
- GLM-R
- CRL
- Glmr
- IL-31RA

## Classification

**Gene biotype**

Protein coding

**Gene family**

Fibronectin type III domain containing|Interleukin receptors

**Target class**

Membrane receptor

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

2

**Protein localisation evidence grade**

Approved

**Highest tissue expression**

1.92

**Tissue specificity (Gini)**

0.824

**Tissue specificity (tau)**

0.949

## Pathways and interactions

**KEGG gene identifiers**

- hsa:133396

**Reactome pathways**

- R-HSA-6788467

**Protein interaction confidence**

0.93

**Protein interaction partners**

5

## Genomic location

**End position**

55922854

**Start position**

55851357

**Chromosome**

5

**Strand**

Forward

## Identifiers

**Ensembl gene ID**

ENSG00000164509

**HGNC ID**

HGNC:18969

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:18969)

**NCBI Gene ID**

133396

**UniProt ID**

Q8NI17

## Cellular location

- Cell membrane
- Single-pass type I membrane protein . Presynaptic cell membrane . Cell projection, axon .
- Cytosol
- Plasma membrane

### Publication evidence (2)

- PubMed 11877449  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/11877449/)
- PubMed 14504285  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/14504285/)

## Tissue expression

**Tissue specificity (tau)**

0.949489

**Expression inequality (Gini)**

0.823628

### Highest expression

Expression in transcripts per million

**Artery - Aorta**

1.92

**Testis**

1.79

**Cells - Cultured fibroblasts**

0.8

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

0.52

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

0.48

### All tissues (54)

Expression in transcripts per million

- Artery - Aorta1.92
- Testis1.79
- Cells - Cultured fibroblasts0.8
- Skin - Sun Exposed (Lower leg)0.52
- Skin - Not Sun Exposed (Suprapubic)0.48
- Prostate0.2
- Artery - Tibial0.13
- Colon - Sigmoid0.12
- Muscle - Skeletal0.08
- Ovary0.07
- Vagina0.07
- Lung0.07
- Minor Salivary Gland0.07
- Pancreas0.06
- Colon - Transverse0.06
- Small Intestine - Terminal Ileum0.05
- Artery - Coronary0.05
- Adipose - Subcutaneous0.04
- Kidney - Medulla0.04
- Whole Blood0.03
- Stomach0.03
- Esophagus - Muscularis0.03
- Uterus0.02
- Kidney - Cortex0.02
- Cells - EBV-transformed lymphocytes0.02

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes (5)

- GO:0007259  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0007259)
- GO:0008284  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0008284)
- GO:0019221  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0019221)
- GO:0030224  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0030224)
- GO:0042531  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0042531)

### Cellular components

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

### Molecular functions

- GO:0004896  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0004896)

## Related records

### Trials (26)

- A Long-term Study of Nemolizumab (CD14152) in Participants With Prurigo Nodularis (PN)
- A Pharmacokinetics and Safety Study of Nemolizumab in Adolescent Participants With Atopic Dermatitis (AD)
- A Phase 2 Study of CIM331 for Atopic Dermatitis Patients
- A Study of Nemolizumab for the Treatment of Adults With Systemic Sclerosis
- A Study to Assess Immunization Responses in Adult and Adolescent Participants With Moderate-to-Severe Atopic Dermatitis Treated With Nemolizumab
- A Study to Assess the Effects of Nemolizumab on Cytochrome P450 Substrates in Participants With Moderate-to-Severe Atopic Dermatitis
- A Study to Assess the Efficacy and Safety of Nemolizumab (CD14152) in Participants With Prurigo Nodularis (PN)
- A Study to Evaluate the Durability of Response and Safety of Nemolizumab for 24 Weeks in Participants With Prurigo Nodularis
- An Open-label, Phase 2 Study to Assess the Efficacy and Safety of Nemolizumab in Subjects With Systemic Sclerosis
- Dose-ranging Study of Nemolizumab in Atopic Dermatitis
- Efficacy & Safety of Nemolizumab in Subjects With Moderate-to-Severe Atopic Dermatitis
- Efficacy and Safety of Nemolizumab in Subjects With Moderate-to-Severe Atopic Dermatitis
- Efficacy and Safety of Nemolizumab in Subjects With Moderate-to-Severe Atopic Dermatitis With Inadequate Response to or for Whom Cyclosporine A is Not Medically Advisable
- Long-term Safety and Efficacy of Nemolizumab With Moderate-to-severe Atopic Dermatitis
- Molecular Signatures in Inflammatory Skin Disease
- Nemolizumab for LS
- Nemolizumab to Treat Lichen Planopilaris, a Noncontrolled, Prospective, Pilot Study.
- Pharmacokinetics, Safety and Efficacy of Nemolizumab in Participants Aged 6 to 23 Months With Moderate-to Severe Atopic Dermatitis
- Pharmacokinetics, Safety and Efficacy of Nemolizumab in Participants With Moderate-to-Severe Atopic Dermatitis
- Proof of Concept Study to Assess the Pharmacokinetics/Pharmacodynamics of Nemolizumab in Adults With Chronic Pruritus of Unknown Origin (CPUO)

### Drugs (1)

- [Nemolizumab](https://trialight.com/data/asset/nemolizumab-d6098d97-363f-4900-a5da-82d260803616.md) Interleukin-31 receptor subunit alpha inhibitor

---

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