Interleukin 12B

mammalian protein found in Homo sapiens
Protein Q21120640

Facts

9 properties
Instance of
protein
Part of
Fibronectin type III superfamily, Immunoglobulin-like fold, Immunoglobulin-like domain superfamily, interleukin-12 beta, Fibronectin type III, protein family, Interleukin-12 beta, central domain, protein family, Immunoglobulin subtype 2, protein family, immunoglobulin-like domain, protein family, Long hematopoietin receptor, soluble alpha chain, conserved site, protein family[3][4][5][6][7][8][9][10][11]
Biological process
positive regulation of cell adhesion, negative regulation of interleukin-10 production, negative regulation of smooth muscle cell proliferation, positive regulation of inflammatory response, sexual reproduction, positive regulation of interleukin-12 production, positive regulation of smooth muscle cell apoptotic process, defense response to Gram-negative bacterium, positive regulation of interleukin-10 production, positive regulation of T cell mediated cytotoxicity, natural killer cell activation, positive regulation of natural killer cell activation, positive regulation of interferon-gamma production, positive regulation of osteoclast differentiation, positive regulation of T-helper 17 cell lineage commitment, response to organic substance, positive regulation of NK T cell activation, positive regulation of natural killer cell proliferation, natural killer cell activation involved in immune response, cell surface receptor signaling pathway, positive regulation of NK T cell proliferation, positive regulation of T-helper 17 type immune response, negative regulation of inflammatory response to antigenic stimulus, defense response to virus, positive regulation of tissue remodeling, positive regulation of T-helper 1 type immune response, positive regulation of natural killer cell mediated cytotoxicity directed against tumor cell target, positive regulation of granulocyte macrophage colony-stimulating factor production, positive regulation of T cell proliferation, positive regulation of memory T cell differentiation, cellular response to interferon-gamma, positive regulation of tumor necrosis factor production, T-helper 1 type immune response, sensory perception of pain, response to UV-B, positive regulation of interleukin-17 production, cellular response to lipopolysaccharide, negative regulation of interleukin-17 production, T-helper cell differentiation, cell migration, positive regulation of lymphocyte proliferation, positive regulation of mononuclear cell proliferation, positive regulation of activated T cell proliferation, defense response to protozoan, positive regulation of defense response to virus by host, positive regulation of activation of Janus kinase activity, regulation of tyrosine phosphorylation of STAT protein, positive regulation of tyrosine phosphorylation of STAT protein, interleukin-12-mediated signaling pathway, cell population proliferation, regulation of signaling receptor activity, T-helper 1 cell cytokine production, cytokine-mediated signaling pathway, interleukin-23-mediated signaling pathway, positive regulation of NIK/NF-kappaB signaling, positive regulation of T-helper 1 type immune response, positive regulation of activation of Janus kinase activity, positive regulation of interferon-gamma production, positive regulation of natural killer cell activation, positive regulation of activated T cell proliferation, positive regulation of tyrosine phosphorylation of STAT protein, positive regulation of lymphocyte proliferation, positive regulation of NK T cell activation
Cell component
cytoplasm, membrane, interleukin-12 complex, interleukin-23 complex, extracellular region, extracellular space, endoplasmic reticulum lumen, cytosol, late endosome lumen, cell surface, external side of plasma membrane, receptor complex, interleukin-12 complex, interleukin-23 complex
Encoded by
IL12B
Found in taxon
Homo sapiens
Has part(s)
immunoglobulin subtype 2, fibronectin type III, immunoglobulin-like domain, Long hematopoietin receptor, soluble alpha chain, conserved site, Interleukin-12 beta, central domain[12][13][14][15][16]
Molecular function
cytokine activity, interleukin-23 receptor binding, protein homodimerization activity, interleukin-12 receptor binding, protein binding, identical protein binding, protein heterodimerization activity, interleukin-12 alpha subunit binding, cytokine receptor activity, growth factor activity, cytokine receptor binding, cytokine receptor activity, interleukin-12 receptor binding, growth factor activity, cytokine binding, interleukin-12 alpha subunit binding, interleukin-23 receptor binding
Physically interacts with
tildrakizumab[2]
🏷️ Also known as
en CLMF p40 en cytotoxic lymphocyte maturation factor 40 kDa subunit en IL12B en IL-12 subunit p40 en IL12, subunit p40 en Interleukin 12B en interleukin-12 beta chain en interleukin 12B (natural killer cell stimulatory factor 2, cytotoxic lymphocyte maturation factor 2, p40) en interleukin 12, p40 en interleukin-12 subunit beta en natural killer cell stimulatory factor, 40 kD subunit en NK cell stimulatory factor chain 2 en NKSF2
🔖 Identifiers · 7
Ensembl protein ID
ENSP00000231228
MeSH descriptor ID
D053762
PDB structure ID
1F42, 1F45, 3D85, 3D87, 3DUH, 3HMX, 3QWR, 4GRW, 4OE8, 4OG9
RefSeq protein ID
NP_002178
UMLS CUI
C1121402
UniProt protein ID
P29460

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Summary

Interleukin 12B is a protein[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . Open Targets Platform. Retrieved . platform.opentargets.org. Provenance: wikidata.org.
  2. [3] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  3. [4] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  4. [5] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  5. [6] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  12. [13] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  13. [14] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  14. [15] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  15. [16] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Interleukin 12B. Retrieved May 3, 2026, from https://4ort.xyz/entity/interleukin-12b
MLA “Interleukin 12B.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/interleukin-12b.
BibTeX @misc{4ortxyz_interleukin-12b_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Interleukin 12B}}, year = {2026}, url = {https://4ort.xyz/entity/interleukin-12b}, note = {Accessed: 2026-05-03}}
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