Biology:S100P

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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

S100 calcium-binding protein P (S100P) is a protein that in humans is encoded by the S100P gene.[1][2][3]

Function

The protein encoded by this gene is a member of the S100 family of proteins containing 2 EF-hand calcium-binding motifs. S100 proteins are localized in the cytoplasm and/or nucleus of a wide range of cells, and involved in the regulation of a number of cellular processes such as cell cycle progression and differentiation. S100 genes include at least 13 members which are located as a cluster on chromosome 1q21; however, this gene is located at 4p16. This protein, in addition to binding Ca2+, also binds Zn2+ and Mg2+. This protein may play a role in the etiology of prostate cancer.[3]

Interactions

S100P has been shown to interact with EZR[4] and RAGE.[5] The interactions between S100P and RAGE are disrupted by cromolyn[6] and pentamidine.[5]

References

  1. "Six S100 genes are clustered on human chromosome 1q21: identification of two genes coding for the two previously unreported calcium-binding proteins S100D and S100E". Proc Natl Acad Sci U S A 90 (14): 6547–51. Aug 1993. doi:10.1073/pnas.90.14.6547. PMID 8341667. Bibcode1993PNAS...90.6547E. 
  2. "Isolation of a YAC clone covering a cluster of nine S100 genes on human chromosome 1q21: rationale for a new nomenclature of the S100 calcium-binding protein family". Genomics 25 (3): 638–43. Jun 1995. doi:10.1016/0888-7543(95)80005-7. PMID 7759097. 
  3. 3.0 3.1 "Entrez Gene: S100P S100 calcium binding protein P". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=6286. 
  4. "Ca2+-dependent binding and activation of dormant ezrin by dimeric S100P". Molecular Biology of the Cell 14 (6): 2372–84. Jun 2003. doi:10.1091/mbc.E02-09-0553. PMID 12808036. 
  5. 5.0 5.1 "Structural insights into calcium-bound S100P and the V domain of the RAGE complex". PLOS ONE 9 (8): e103947. 2014-08-01. doi:10.1371/journal.pone.0103947. PMID 25084534. Bibcode2014PLoSO...9j3947P. 
  6. "Interaction between S100P and the anti-allergy drug cromolyn". Biochemical and Biophysical Research Communications 454 (3): 404–409. Oct 2014. doi:10.1016/j.bbrc.2014.10.048. PMID 25450399. 

Further reading