Calcineurin associated with the inositol 1,4,5-trisphosphate receptor-FKBP12 complex modulates Ca2+ flux

@article{Cameron1995CalcineurinAW,
  title={Calcineurin associated with the inositol 1,4,5-trisphosphate receptor-FKBP12 complex modulates Ca2+ flux},
  author={A. Cameron and J. Steiner and A. Roskams and S. Ali and Gabriele V. Ronnettt and S. Snyder},
  journal={Cell},
  year={1995},
  volume={83},
  pages={463-472}
}
  • A. Cameron, J. Steiner, +3 authors S. Snyder
  • Published 1995
  • Biology, Medicine
  • Cell
  • The immunosuppressant drug FK506 binds to the immunophilin protein FKBP12 and inhibits its prolyl isomerase activity. Immunosuppressive actions, however, are mediated via an FK506-FKBP12 inhibition of the Ca(2+)-activated phosphatase calcineurin. Physiologic cellular roles for FKBP12 have remained unclear. FKBP12 is physically associated with the RyR and IP3R Ca2+ channels in the absence of FK506, with added FK506 disrupting these complexes. Dissociation of FKBP12 results in alteration of… CONTINUE READING
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