Biology:FKBP3

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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

FK506-binding protein 3 also known as FKBP25 is a protein that in humans is encoded by the FKBP3 gene.[1][2][3]

Function

The protein encoded by this gene is a member of the immunophilin protein family, which play a role in immunoregulation and basic cellular processes involving protein folding and trafficking. This encoded protein is a cis-trans prolyl isomerase that binds the immunosuppressants FK506 and rapamycin. It has a higher affinity for rapamycin than for FK506 and thus may be an important target molecule for immunosuppression by rapamycin.[4][3]

Interactions

FKBP3 has been shown to interact with YY1,[5] HDAC1,[5] Histone deacetylase 2,[5] DNA,[6] and Mdm2.[7] Both crystal structure of FKBP25 with FK506 and the NMR structure of full length FKBP25 has been published with PDB ID 5D75 and 2MPH respectively.[4][8]

References

  1. "cDNA cloning of a human 25 kDa FK506 and rapamycin binding protein". Biochem. Biophys. Res. Commun. 184 (2): 733–8. Jun 1992. doi:10.1016/0006-291X(92)90651-Z. PMID 1374240. 
  2. "Interleukin-1 (IL-1) receptor blockade reduces endotoxin and Borrelia burgdorferi-stimulated IL-8 synthesis in human mononuclear cells". FASEB J. 6 (7): 2482–6. May 1992. doi:10.1096/fasebj.6.7.1532945. PMID 1532945. 
  3. 3.0 3.1 "Entrez Gene: FKBP3 FK506 binding protein 3, 25kDa". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=2287. 
  4. 4.0 4.1 Prakash, Ajit; Rajan, Sreekanth; Yoon, Ho Sup (April 2016). "Crystal structure of the FK506 binding domain of human FKBP25 in complex with FK506". Protein Science 25 (4): 905–910. doi:10.1002/pro.2875. ISSN 1469-896X. PMID 26749369. 
  5. 5.0 5.1 5.2 "The FK506-binding protein 25 functionally associates with histone deacetylases and with transcription factor YY1". EMBO J. 20 (17): 4814–25. Sep 2001. doi:10.1093/emboj/20.17.4814. PMID 11532945. 
  6. "Structural basis of nucleic acid recognition by FK506-binding protein 25 (FKBP25), a nuclear immunophilin". Nucleic Acids Res. 44 (6): 2909–25. 2016. doi:10.1093/nar/gkw001. PMID 26762975. 
  7. "FKBP25, a novel regulator of the p53 pathway, induces the degradation of MDM2 and activation of p53". FEBS Lett. 583 (4): 621–6. Feb 2009. doi:10.1016/j.febslet.2009.01.009. PMID 19166840. 
  8. Prakash, Ajit; Shin, Joon; Rajan, Sreekanth; Yoon, Ho Sup (2016-04-07). "Structural basis of nucleic acid recognition by FK506-binding protein 25 (FKBP25), a nuclear immunophilin". Nucleic Acids Research 44 (6): 2909–2925. doi:10.1093/nar/gkw001. ISSN 0305-1048. PMID 26762975. PMC 4824100. https://doi.org/10.1093/nar/gkw001. 

Further reading

External links

  • PDBe-KB provides an overview of all the structure information available in the PDB for Human Peptidyl-prolyl cis-trans isomerase FKBP3
  • PDBe-KB provides an overview of all the structure information available in the PDB for Mouse Peptidyl-prolyl cis-trans isomerase FKBP3