FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term calprotectin complex ID (Ontology) GO:1990660 (Gene Ontology)
Definition A protein complex composed of S100A8 and S100A9 and capable of limiting Mn(2+) and Zn(2+) availability at sites of infection. Also binds Ca(2+). Expressed and released by neutrophils and epithelial cells, it exhibits broad-spectrum antimicrobial activity attributed to its metal-binding properties. Endogenous ligand of toll-like receptor 4 (TLR4) and of the receptor for advanced glycation end products (RAGE) initiating signal transduction through NF-kappa-B pathways.[ PubMed:25417112 ]
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   |__protein-containing complex
       |__calprotectin complex
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Synonyms
  • "calprotectin heterodimer" NARROW
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