Biology:PON3

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

Paraoxonase 3, also known as PON3, is a protein which in humans is encoded by the PON3 gene.[1][2]

Function

This gene is a member of the paraoxonase family and lies in a cluster on chromosome 7 with the other two family members. The encoded protein is secreted into the bloodstream and associates with high-density lipoprotein (HDL). The protein also rapidly hydrolyzes lactones and can inhibit the oxidation of low-density lipoprotein (LDL), a function that is believed to slow the initiation and progression of atherosclerosis. Alternatively spliced variants which encode different protein isoforms have been described; however, only one has been fully characterized.[2]

References

  1. "The human serum paraoxonase/arylesterase gene (PON1) is one member of a multigene family". Genomics 33 (3): 498–507. May 1996. doi:10.1006/geno.1996.0225. PMID 8661009. 
  2. 2.0 2.1 "Entrez Gene: PON3 paraoxonase 3". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=5446. 

Further reading