Protein
Protein Name Interleukin-12 subunit beta
#PDB ID 1
Organism Homo sapiens (Human)
Uniprot ID/ACC P29460 (IL12B_HUMAN)
Synonym(s)
  •   CLMF p40
  • IL-12 subunit p40
  • IL12
  • subunit p40
  • NK cell stimulatory factor chain 2
  • cytotoxic lymphocyte maturation factor 40 kDa subunit
  • interleukin 12
  • p40
  • interleukin 12B (natural killer cell stimulatory factor 2
  • cytotoxic lymphocyte maturation factor 2
  • p40)
  • interleukin-12 beta chain
  • natural killer cell stimulatory factor
  • 40 kD subunit
  • CLMF
  • CLMF2
  • IL-12B
  • IMD28
  • IMD29
  • NKSF
  • NKSF2
show 20 synonym(s)
Gene Symbol IL12B
Gene ID 3593
Sequence MCHQQLVISWFSLVFLASPLVAIWELKKDVYVVELDWYPDAPGEMVVLTCDTPEEDGITWTLDQSSEVLGSGKTLTIQVKEFGDAGQYTCHKGGEVLSHSLLLLHKKEDGIWSTDILKDQKEPKNKTFLRCEAKNYSGRFTCWWLTTISTDLTFSVKSSRGSSDPQGVTCGAATLSAERVRGDNKEYEYSVECQEDSACPAAEESLPIEVMVDAVHKLKYENYTSSFFIRDIIKPDPPKNLQLKPLKNSRQVEVSWEYPDTWSTPHSYFSLTFCVQVQGKSKREKKDRVFTDKTSATVICRKNASISVRAQDRYYSSSWSEWASVPCS
Protein Class SIGNALING PROTEIN
Function Cytokine that can act as a growth factor for activated T and NK cells, enhance the lytic activity of NK/lymphokine-activated killer cells, and stimulate the production of IFN-gamma by resting PBMC. Associates with IL23A to form the IL-23 interleukin, a heterodimeric cytokine which functions in innate and adaptive immunity. IL-23 may constitute with IL-17 an acute response to infection in peripheral tissues. IL-23 binds to a heterodimeric receptor complex composed of IL12RB1 and IL23R, activates the Jak-Stat signaling cascade, stimulates memory rather than naive T-cells and promotes production of proinflammatory cytokines. IL-23 induces autoimmune inflammation and thus may be responsible for autoimmune inflammatory diseases and may be important for tumorigenesis.
Bound Ligands
Ligand ID HET Code PDB ID Binding Affinity Binding Database Structure Complex Card
COVPDB1098 MNB 1F42
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