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Basic information
Entry | Database: PDB / ID: 7cf9 | |||||||||||||||
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Title | Structure of RyR1 (Ca2+/CHL) | |||||||||||||||
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![]() | MEMBRANE PROTEIN / Rabbit / Ryanodine receptor1 / CHL. | |||||||||||||||
Function / homology | ![]() ATP-gated ion channel activity / positive regulation of sequestering of calcium ion / cyclic nucleotide binding / negative regulation of calcium-mediated signaling / negative regulation of insulin secretion involved in cellular response to glucose stimulus / negative regulation of release of sequestered calcium ion into cytosol / neuronal action potential propagation / terminal cisterna / insulin secretion involved in cellular response to glucose stimulus / ryanodine receptor complex ...ATP-gated ion channel activity / positive regulation of sequestering of calcium ion / cyclic nucleotide binding / negative regulation of calcium-mediated signaling / negative regulation of insulin secretion involved in cellular response to glucose stimulus / negative regulation of release of sequestered calcium ion into cytosol / neuronal action potential propagation / terminal cisterna / insulin secretion involved in cellular response to glucose stimulus / ryanodine receptor complex / ryanodine-sensitive calcium-release channel activity / release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / response to redox state / ossification involved in bone maturation / 'de novo' protein folding / negative regulation of heart rate / skin development / FK506 binding / positive regulation of axon regeneration / organelle membrane / cellular response to caffeine / intracellularly gated calcium channel activity / outflow tract morphogenesis / smooth muscle contraction / response to vitamin E / toxic substance binding / voltage-gated calcium channel activity / regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion / smooth endoplasmic reticulum / calcium channel inhibitor activity / striated muscle contraction / T cell proliferation / skeletal muscle fiber development / Ion homeostasis / regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / muscle contraction / sarcoplasmic reticulum membrane / release of sequestered calcium ion into cytosol / calcium channel regulator activity / calcium channel complex / protein maturation / cellular response to calcium ion / peptidyl-prolyl cis-trans isomerase activity / sarcoplasmic reticulum / RNA polymerase II CTD heptapeptide repeat P3 isomerase activity / RNA polymerase II CTD heptapeptide repeat P6 isomerase activity / peptidylprolyl isomerase / calcium-mediated signaling / sarcolemma / calcium ion transmembrane transport / response to hydrogen peroxide / calcium channel activity / Stimuli-sensing channels / Z disc / intracellular calcium ion homeostasis / disordered domain specific binding / positive regulation of cytosolic calcium ion concentration / protein refolding / protein homotetramerization / transmembrane transporter binding / calmodulin binding / signaling receptor binding / calcium ion binding / ATP binding / identical protein binding / membrane / cytoplasm Similarity search - Function | |||||||||||||||
Biological species | ![]() ![]() ![]() | |||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.7 Å | |||||||||||||||
![]() | Ma, R. / Haji-Ghassemi, O. / Ma, D. / Lin, L. / Samurkas, A. / Van Petegem, F. / Yuchi, Z. | |||||||||||||||
Funding support | ![]() ![]()
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![]() | ![]() Title: Structural basis for diamide modulation of ryanodine receptor. Authors: Ruifang Ma / Omid Haji-Ghassemi / Dan Ma / Heng Jiang / Lianyun Lin / Li Yao / Arthur Samurkas / Yuxin Li / Yiwen Wang / Peng Cao / Shian Wu / Yan Zhang / Takashi Murayama / Bernard Moussian ...Authors: Ruifang Ma / Omid Haji-Ghassemi / Dan Ma / Heng Jiang / Lianyun Lin / Li Yao / Arthur Samurkas / Yuxin Li / Yiwen Wang / Peng Cao / Shian Wu / Yan Zhang / Takashi Murayama / Bernard Moussian / Filip Van Petegem / Zhiguang Yuchi / ![]() ![]() ![]() ![]() ![]() Abstract: The diamide insecticide class is one of the top-selling insecticides globally. They are used to control a wide range of pests by targeting their ryanodine receptors (RyRs). Here, we report the ...The diamide insecticide class is one of the top-selling insecticides globally. They are used to control a wide range of pests by targeting their ryanodine receptors (RyRs). Here, we report the highest-resolution cryo-electron microscopy (cryo-EM) structure of RyR1 in the open state, in complex with the anthranilic diamide chlorantraniliprole (CHL). The 3.2-Å local resolution map facilitates unambiguous assignment of the CHL binding site. The molecule induces a conformational change by affecting the S4-S5 linker, triggering channel opening. The binding site is further corroborated by mutagenesis data, which reveal how diamide insecticides are selective to the Lepidoptera group of insects over honeybee or mammalian RyRs. Our data reveal that several pests have developed resistance via two mechanisms, steric hindrance and loss of contact. Our results provide a foundation for the development of highly selective pesticides aimed at overcoming resistance and therapeutic molecules to treat human myopathies. | |||||||||||||||
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PDBx/mmCIF format | ![]() | 2.6 MB | Display | ![]() |
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-Validation report
Summary document | ![]() | 1.7 MB | Display | ![]() |
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Full document | ![]() | 1.8 MB | Display | |
Data in XML | ![]() | 373 KB | Display | |
Data in CIF | ![]() | 587.6 KB | Display | |
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-Related structure data
Related structure data | ![]() 30343MC ![]() 6m2wC M: map data used to model this data C: citing same article ( |
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Similar structure data |
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Assembly
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Components
#1: Protein | Mass: 539836.938 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #2: Protein | Mass: 11667.305 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #3: Chemical | ChemComp-CA / #4: Chemical | ChemComp-ZN / #5: Chemical | ChemComp-F0U / Has ligand of interest | Y | Sequence details | Complete sequence of RyR1 protein is: ...Complete sequence of RyR1 protein is: MGDGGEGEDE | |
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