Skip to content

Interleukin-21 receptor (IL21R)

Homo sapiens — UniProt Q9HBE5

Gene: IL21RHomo sapiensSwissProt reviewed

Data last refreshed: (UniProt release unknown)

Key facts

Interleukin-21 receptor (IL21R) is a protein from Homo sapiens identified by UniProt accession Q9HBE5, 538 residues long. MolForge cross-references it against 0 known binders and 538 disease associations.

  • UniProt accession: Q9HBE5; gene symbol IL21R.
  • Organism: Homo sapiens.
  • Length: 538 amino acids.
  • Top disease associations (Open Targets): Cryptosporidiosis - chronic cholangitis - liver disease, cryptosporidiosis-chronic cholangitis-liver disease syndrome and combined immunodeficiency.
  • 3D structure: AlphaFold model available.

Target properties

Protein nameInterleukin-21 receptor
UniProt accessionQ9HBE5
GeneIL21R
OrganismHomo sapiens
Length538 residues
Molecular weight—
EC numbers—
Target class—
Subcellular location—
Keywords—

Druggability

Target tractability assessment (Open Targets + pocket analysis). No approved drug

Druggability tierMEDIUM
Druggability score—
Pocket score—
Max clinical phase—

Disease associations (538)

Diseases linked to this target (Open Targets).

  • Cryptosporidiosis - chronic cholangitis - liver disease · score 0.73
  • cryptosporidiosis-chronic cholangitis-liver disease syndrome · score 0.71
  • combined immunodeficiency · score 0.37
  • Combined immunodeficiency · score 0.37
  • Omenn syndrome · score 0.37
  • immunodeficiency disease · score 0.37
  • primary biliary cirrhosis · score 0.35
  • eosinophil count · score 0.34
  • asthma · score 0.32
  • Chronic mucocutaneous candidosis · score 0.29

3D Structure (1)

Experimental (PDB) and predicted (AlphaFold) structures for this protein.

StructureSourceMethodMean pLDDTResolution (Å)
AF-Q9HBE5-F1alphafoldPREDICTED64.10—

Experimental structures are not indexed in MolForge yet — search RCSB PDB for Q9HBE5.

Amino-acid sequence (538 residues)

MPRGWAAPLL LLLLQGGWGC PDLVCYTDYL QTVICILEMW NLHPSTLTLT WQDQYEELKD EATSCSLHRS AHNATHATYT CHMDVFHFMA DDIFSVNITD QSGNYSQECG SFLLAESIKP APPFNVTVTF SGQYNISWRS DYEDPAFYML KGKLQYELQY RNRGDPWAVS PRRKLISVDS RSVSLLPLEF RKDSSYELQV RAGPMPGSSY QGTWSEWSDP VIFQTQSEEL KEGWNPHLLL LLLLVIVFIP AFWSLKTHPL WRLWKKIWAV PSPERFFMPL YKGCSGDFKK WVGAPFTGSS LELGPWSPEV PSTLEVYSCH PPRSPAKRLQ LTELQEPAEL VESDGVPKPS FWPTAQNSGG SAYSEERDRP YGLVSIDTVT VLDAEGPCTW PCSCEDDGYP ALDLDAGLEP SPGLEDPLLD AGTTVLSCGC VSAGSPGLGG PLGSLLDRLK PPLADGEDWA GGLPWGGRSP GGVSESEAGS PLAGLDMDTF DSGFVGSDCS SPVECDFTSP GDEGPPRSYL RQWVVIPPPL SSPGPQAS

Frequently asked questions

Answers are generated from the structured data on this page, not written by hand.

Which diseases are associated with IL21R?

The strongest Open Targets associations for IL21R are Cryptosporidiosis - chronic cholangitis - liver disease, cryptosporidiosis-chronic cholangitis-liver disease syndrome, combined immunodeficiency, Combined immunodeficiency and Omenn syndrome.

How long is the IL21R protein?

The Homo sapiens IL21R protein (UniProt Q9HBE5) is 538 amino acids long.

Browse: Targets: I · all protein targets A–Z · drugs A–Z.

Sources

How this page is built: methodology · editorial policy & corrections.

For research and educational use only — not medical advice. This page is compiled automatically from public databases. It is not written or reviewed by a clinician. Do not start, stop or change any treatment based on it; consult a qualified healthcare professional. Spotted an error? See our corrections policy or email hello@molforge.ai.

Explore Interleukin-21 receptor with MolForge

Find binders, run structure-based screening, and map this target across diseases and approved drugs with our AI-powered platform.

Browse all targets

Quick facts

UniProtQ9HBE5
GeneIL21R
OrganismHomo sapiens
Length538
Binders0
Diseases538
View on UniProt