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 to the immunosuppressants FK506 and rapamycin. It is thought to mediate calcineurin inhibition. It also interacts functionally with mature corticoid receptor hetero-complexes (i.e. progesterone-, glucocorticoid-, mineralocorticoid-receptor complexes) along with the 90 kDa heat shock protein and P23 protein.
Clinical significance
The FKBP5 gene has been found to have multiple polyadenylation sites[1] and is statistically associated with a higher rate of depressive disorders.[2]
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Pirkl F, Buchner J (2001). "Functional analysis of the Hsp90-associated human peptidyl prolyl cis/trans isomerases FKBP51, FKBP52 and Cyp40". J. Mol. Biol. 308 (4): 795–806. doi:10.1006/jmbi.2001.4595. PMID11350175.
Davies TH, Ning YM, Sánchez ER (2002). "A new first step in activation of steroid receptors: hormone-induced switching of FKBP51 and FKBP52 immunophilins". J. Biol. Chem. 277 (7): 4597–600. doi:10.1074/jbc.C100531200. PMID11751894.
Giraudier S, Chagraoui H, Komura E, Barnache S, Blanchet B, LeCouedic JP, Smith DF, Larbret F, Taksin AL, Moreau-Gachelin F, Casadevall N, Tulliez M, Hulin A, Debili N, Vainchenker W (2002). "Overexpression of FKBP51 in idiopathic myelofibrosis regulates the growth factor independence of megakaryocyte progenitors". Blood. 100 (8): 2932–40. doi:10.1182/blood-2002-02-0485. PMID12351405.