FKBPL

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FK506-binding protein like, also known as FKBPL, is a protein that in humans is encoded by the FKBPL gene.[1]

Function

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FKBPL has similarity to the immunophilin protein family, which play a role in immunoregulation and basic cellular processes involving protein folding and trafficking. The encoded protein is thought to have a potential role in the induced radioresistance. Also it appears to have some involvement in the control of the cell cycle.[2]

FKBPL is involved in cellular response to stress. It was first isolated in 1999 and was initially named DIR1.[3] It was later reclassified because of its homology to the FKBP family of proteins and was renamed FKBP-like (FKBPL). A separate study that found it to be involved in the stabilisation of newly synthesised p21 termed it Wisp39.[4]

It is known to interact with Hsp90, glucocorticoid receptor and dynamitin and may play a role in signalling, like other FKBPs.[5]

FKBPL has also been shown to influence estrogen receptor signalling and can have a determinant effect on response to the breast cancer drug tamoxifen.[6]

References

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This article incorporates text from the United States National Library of Medicine, which is in the public domain.

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