Journal
TRENDS IN BIOCHEMICAL SCIENCES
Volume 42, Issue 7, Pages 543-555Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tibs.2017.04.005
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Funding
- National Institutes of Health [R01AR060037, R01HL061503]
- Fondation Leducq
- Servier
- EU [708572]
- Marie Curie Actions (MSCA) [708572] Funding Source: Marie Curie Actions (MSCA)
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Ryanodine receptors (RyRs) are calcium release channels expressed in the sarcoendoplasmic reticula of many cell types including cardiac and skeletal muscle cells. In recent years Ca2+ leak through RyRs has been implicated as a major contributor to the development of diseases including heart failure, muscle myopathies, Alzheimer's disease, and diabetes, making it an important therapeutic target. Recent mammalian RyR1 cryoelectron microscopy (cryo-EM) structures of multiple functional states have clarified longstanding questions including the architecture of the transmembrane (TM) pore and cytoplasmic domains, the location and architecture of the channel gate, ligandbinding sites, and the gating mechanism. As we advance toward complete models of RyRs this new information enables the determination of domain domain interfaces and the location and structural effects of disease-causing RyR mutations.
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