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Calcineurin: a calcium- and calmodulin-binding protein of the nervous system.
Abstract
The inhibitory protein that binds calmodulin and thus prevents activation of several Ca2+-dependent enzymes by calmodulin is shown to also bind four Ca2+ per mol of protein with high affinity (Kd less than or equal to 10(-6) M). On the basis of its Ca2+- binding properties and its localization to nervous tissue, the inhibitory protein is now called "calcineurin." Calcineurin is composed of two subunits: calcineurin A (61,000 Mr) which interacts with calmodulin in a Ca2+-dependent fashion, and calcineurin B (15,000 Mr) which binds Ca2+. The interaction of calcineurin A with calcineurin B is independent of Ca2+ or Mg2+. The dual interaction of calcineurin A with two different Ca2+-binding components and the high affinity of calcineurin for Ca2+ suggest a possible role for calcineurin in the regulation of free Ca2+ concentrations in the nervous system. Calcineurin may thereby modulate the release and action of neurotransmitters.
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“Calcineurin is a Ca2+-dependent serine/threonine protein phosphatase that is highly expressed in the CNS [42].”
From Engineered Extracellular Vesicles Loaded with MiR-100-5p Antagonist Selectively Target the Lesioned Region to Promote Recovery from Brain Damage (2025) · cites this paper as [42]
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LAEMMLI, U. K. (1970) · Nature · doi:10.1038/227680a0 · Cited by 249,961
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Calcineurin is a common target of cyclophilin-cyclosporin A and FKBP-FK506 complexes
Liu, J., Farmer, J. D., Lane, W. S., Friedman, J., Weissman, I., & Schreiber, S. L. (1991) · Cell · doi:10.1016/0092-8674(91)90124-h · Cited by 4,116
Intrinsically disordered protein
Dunker, A. K., Lawson, J. D., Brown, C. J., Williams, R. M., Romero, P., Oh, J. S., Oldfield, C. J., Campen, A. M., Ratliff, C. M., Hipps, K. W., et al. (2001) · Journal of Molecular Graphics and Modelling · doi:10.1016/s1093-3263(00)00138-8 · Cited by 2,272
Intrinsically Disordered Proteins and Intrinsically Disordered Protein Regions
Oldfield, C. J., & Dunker, A. K. (2014) · Annual Review of Biochemistry · doi:10.1146/annurev-biochem-072711-164947 · Cited by 1,057
Function and therapeutic value of astrocytes in neurological diseases
Lee, H.-G., Wheeler, M. A., & Quintana, F. J. (2022) · Nature Reviews Drug Discovery · doi:10.1038/s41573-022-00390-x · Cited by 662
Wu, H.-Y., Hudry, E., Hashimoto, T., Kuchibhotla, K., Rozkalne, A., Fan, Z., Spires-Jones, T., Xie, H., Arbel-Ornath, M., Grosskreutz, C. L., et al. (2010) · The Journal of Neuroscience · doi:10.1523/jneurosci.4456-09.2010 · Cited by 367
Metadata
- Authors
- Klee, C. B., Crouch, T. H., & Krinks, M. H.
- Venue
- Proceedings of the National Academy of Sciences
- Publisher
- National Academy of Sciences
- Published
- 1979-12
- Volume
- 76
- Issue
- 12
- Pages
- 6270-6273
- ISSN
- 0027-8424
- 1091-6490
- Cited by
- 579
- References
- 1
- Language
- en
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