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G-protein diseases furnish a model for the turn-on switch

Author

Listed:
  • Taroh Iiri

    (University of California
    University of Tokyo School of Medicine)

  • Zvi Farfel

    (Sheba Medical Center, Tel Aviv University)

  • Henry R. Bourne

    (University of California)

Abstract

How does a trimeric G protein on the inside of a cell membrane respond to activation by a transmembrane receptor? G-protein mutations in patients with hypertension and inherited endocrine disorders enhance or block signals from stimulated receptors. In combination with three-dimensional crystal structures and results from biochemical experiments, the phenotypes produced by these mutations suggest a model for the molecular activation mechanism that relays hormonal and sensory signals transmitted by many transmembrane receptors.

Suggested Citation

  • Taroh Iiri & Zvi Farfel & Henry R. Bourne, 1998. "G-protein diseases furnish a model for the turn-on switch," Nature, Nature, vol. 394(6688), pages 35-38, July.
  • Handle: RePEc:nat:nature:v:394:y:1998:i:6688:d:10.1038_27831
    DOI: 10.1038/27831
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