Biology:PLCB3

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Short description: Protein-coding gene in the species Homo sapiens


A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

1-Phosphatidylinositol-4,5-bisphosphate phosphodiesterase beta-3 is an enzyme that in humans is encoded by the PLCB3 gene.[1][2]

The gene codes for the enzyme phospholipase C β3. The enzyme catalyzes the formation of inositol 1,4,5-trisphosphate and diacylglycerol from phosphatidylinositol 4,5-bisphosphate. This reaction uses calcium as a cofactor and plays an important role in the intracellular transduction of many extracellular signals. This gene is activated by two G-protein alpha subunits, alpha-q and alpha-11, as well as G-beta gamma subunits.

Interactions

PLCB3 has been shown to interact with Sodium-hydrogen exchange regulatory cofactor 2.[3]

References

  1. "The phospholipase C beta 3 gene located in the MEN1 region shows loss of expression in endocrine tumours". Hum. Mol. Genet. 3 (10): 1775–81. March 1995. doi:10.1093/hmg/3.10.1775. PMID 7849701. 
  2. "Entrez Gene: PLCB3 phospholipase C, beta 3 (phosphatidylinositol-specific)". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=5331. 
  3. "Regulation of phospholipase C-beta 3 activity by Na+/H+ exchanger regulatory factor 2". J. Biol. Chem. 275 (22): 16632–7. June 2000. doi:10.1074/jbc.M001410200. PMID 10748023. 

Further reading