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- PDB-9cgp: RyR1 disease mutant Y523S with FKBP12.6, nanodisc and inhibitor d... -

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Basic information

Entry
Database: PDB / ID: 9cgp
TitleRyR1 disease mutant Y523S with FKBP12.6, nanodisc and inhibitor dantrolene in the absence of calcium with refined P1 domain
Components
  • Peptidyl-prolyl cis-trans isomerase FKBP1B
  • Ryanodine receptor 1
KeywordsMEMBRANE PROTEIN / Ryanodine receptor / Calcium channel / Mutation / Y523S / RyR1 / dantrolene
Function / homology
Function and homology information


ATP-gated ion channel activity / positive regulation of sequestering of calcium ion / negative regulation of calcium-mediated signaling / negative regulation of insulin secretion involved in cellular response to glucose stimulus / neuronal action potential propagation / negative regulation of release of sequestered calcium ion into cytosol / insulin secretion involved in cellular response to glucose stimulus / terminal cisterna / ryanodine-sensitive calcium-release channel activity / ryanodine receptor complex ...ATP-gated ion channel activity / positive regulation of sequestering of calcium ion / negative regulation of calcium-mediated signaling / negative regulation of insulin secretion involved in cellular response to glucose stimulus / neuronal action potential propagation / negative regulation of release of sequestered calcium ion into cytosol / insulin secretion involved in cellular response to glucose stimulus / terminal cisterna / ryanodine-sensitive calcium-release channel activity / ryanodine receptor complex / 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 / cellular response to caffeine / skin development / FK506 binding / organelle membrane / intracellularly gated calcium channel activity / smooth endoplasmic reticulum / outflow tract morphogenesis / smooth muscle contraction / toxic substance binding / regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion / T cell proliferation / striated muscle contraction / voltage-gated calcium channel activity / calcium channel inhibitor activity / skeletal muscle fiber development / regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / Ion homeostasis / release of sequestered calcium ion into cytosol / calcium channel complex / sarcoplasmic reticulum membrane / muscle contraction / cellular response to calcium ion / sarcoplasmic reticulum / protein maturation / calcium channel regulator activity / peptidylprolyl isomerase / peptidyl-prolyl cis-trans isomerase activity / calcium-mediated signaling / sarcolemma / calcium ion transmembrane transport / 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
Ryanodine receptor, SPRY domain 2 / : / Ryanodine receptor junctional solenoid repeat / Ryanodine Receptor TM 4-6 / Ryanodine receptor / Ryanodine receptor, SPRY domain 1 / Ryanodine receptor, SPRY domain 3 / Ryanodine Receptor TM 4-6 / Ryanodine receptor Ryr / RyR domain ...Ryanodine receptor, SPRY domain 2 / : / Ryanodine receptor junctional solenoid repeat / Ryanodine Receptor TM 4-6 / Ryanodine receptor / Ryanodine receptor, SPRY domain 1 / Ryanodine receptor, SPRY domain 3 / Ryanodine Receptor TM 4-6 / Ryanodine receptor Ryr / RyR domain / : / RyR/IP3 receptor binding core, RIH domain superfamily / RyR/IP3R Homology associated domain / Inositol 1,4,5-trisphosphate/ryanodine receptor / RIH domain / RyR and IP3R Homology associated / Inositol 1,4,5-trisphosphate/ryanodine receptor / RIH domain / : / MIR motif / MIR domain / MIR domain profile. / Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases / Mir domain superfamily / SPRY domain / B30.2/SPRY domain / B30.2/SPRY domain profile. / B30.2/SPRY domain superfamily / Domain in SPla and the RYanodine Receptor. / SPRY domain / FKBP-type peptidyl-prolyl cis-trans isomerase / FKBP-type peptidyl-prolyl cis-trans isomerase domain / FKBP-type peptidyl-prolyl cis-trans isomerase domain profile. / Peptidyl-prolyl cis-trans isomerase domain superfamily / Ion transport domain / Ion transport protein / EF-hand domain pair / Concanavalin A-like lectin/glucanase domain superfamily
Similarity search - Domain/homology
ADENOSINE-5'-TRIPHOSPHATE / : / Ryanodine receptor 1 / Peptidyl-prolyl cis-trans isomerase FKBP1B
Similarity search - Component
Biological speciesOryctolagus cuniculus (rabbit)
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.34 Å
AuthorsIyer, K.A. / Samso, M.
Funding support United States, 5items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIH/NIAMS)R01 AR068431 United States
American Heart Association19POST34430178 United States
Other privateMDA 352845
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)U24 GM116789 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)U24 GM116790 United States
CitationJournal: Structure / Year: 2025
Title: Dantrolene inhibition of ryanodine receptor 1 carrying the severe malignant hyperthermia mutation Y522S visualized by cryo-EM.
Authors: Kavita A Iyer / Takuya Kobayashi / Takashi Murayama / Montserrat Samsó /
Abstract: Mutations in the skeletal isoform of the ryanodine receptor 1 (RyR1) pose grave risks during anesthesia or treatment with succinylcholine muscle relaxants. These can trigger a potentially lethal ...Mutations in the skeletal isoform of the ryanodine receptor 1 (RyR1) pose grave risks during anesthesia or treatment with succinylcholine muscle relaxants. These can trigger a potentially lethal malignant hyperthermia (MH) episode via intracellular calcium increase mainly from RyR1 channel leakage. Dantrolene is the only known treatment option to prevent death. The main target of dantrolene is RyR1; however, little is known about the mechanism of inhibition. Cryoelectron microscopy (cryo-EM) structures of dantrolene bound to the severe MH Y522S RyR1 mutant in the closed and open states at 2.5-3.3 Å resolution revealed that the drug binds to the channel's cytoplasmic assembly, far from the ion gate, interacting with residues W882, W996, and R1000 in the P1 domain. The finding was validated by Ca imaging and [H]ryanodine binding in wild-type (WT) and alanine mutants. Dantrolene reduced channel opening probability by restricting the central activation module, "cooling down" the primed conformation caused by the mutation.
History
DepositionJun 30, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 11, 2024Provider: repository / Type: Initial release
Revision 1.1Feb 5, 2025Group: Data collection / Database references / Category: citation / citation_author / em_admin
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _citation_author.identifier_ORCID / _em_admin.last_update
Revision 1.2Feb 19, 2025Group: Data collection / Database references / Category: citation / em_admin
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.year / _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Ryanodine receptor 1
B: Ryanodine receptor 1
C: Ryanodine receptor 1
D: Ryanodine receptor 1
E: Peptidyl-prolyl cis-trans isomerase FKBP1B
F: Peptidyl-prolyl cis-trans isomerase FKBP1B
G: Peptidyl-prolyl cis-trans isomerase FKBP1B
H: Peptidyl-prolyl cis-trans isomerase FKBP1B
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,313,54720
Polymers2,309,9998
Non-polymers3,54712
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

#1: Protein
Ryanodine receptor 1 / RYR-1 / RyR1 / Skeletal muscle calcium release channel / Skeletal muscle ryanodine receptor / ...RYR-1 / RyR1 / Skeletal muscle calcium release channel / Skeletal muscle ryanodine receptor / Skeletal muscle-type ryanodine receptor / Type 1 ryanodine receptor


Mass: 565832.562 Da / Num. of mol.: 4 / Mutation: Y523S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Oryctolagus cuniculus (rabbit) / Gene: RYR1 / Production host: Homo sapiens (human) / References: UniProt: P11716
#2: Protein
Peptidyl-prolyl cis-trans isomerase FKBP1B / PPIase FKBP1B / 12.6 kDa FK506-binding protein / FKBP-12.6 / FK506-binding protein 1B / FKBP-1B / ...PPIase FKBP1B / 12.6 kDa FK506-binding protein / FKBP-12.6 / FK506-binding protein 1B / FKBP-1B / Immunophilin FKBP12.6 / Rotamase / h-FKBP-12


Mass: 11667.305 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: FKBP1B, FKBP12.6, FKBP1L, FKBP9, OTK4
Production host: Escherichia coli 'BL21-Gold(DE3)pLysS AG' (bacteria)
References: UniProt: P68106, peptidylprolyl isomerase
#3: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Zn / Feature type: SUBJECT OF INVESTIGATION
#4: Chemical
ChemComp-ATP / ADENOSINE-5'-TRIPHOSPHATE


Mass: 507.181 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C10H16N5O13P3 / Feature type: SUBJECT OF INVESTIGATION / Comment: ATP, energy-carrying molecule*YM
#5: Chemical
ChemComp-U1C / Dantrolene / 1-[(Z)-{[5-(4-nitrophenyl)furan-2-yl]methylidene}amino]imidazolidine-2,4-dione


Mass: 314.253 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C14H10N4O5 / Feature type: SUBJECT OF INVESTIGATION
Has ligand of interestY
Has protein modificationN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: RyR1 disease mutant Y523S with FKBP12.6, nanodisc and inhibitor dantrolene in the absence of calcium with refined P1 domain
Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT
Molecular weightValue: 2.26 MDa / Experimental value: NO
Source (natural)Organism: Oryctolagus cuniculus (rabbit)
Source (recombinant)Organism: Homo sapiens (human) / Cell: HEK293
Buffer solutionpH: 7.4
Buffer component
IDConc.NameFormulaBuffer-ID
120 mM3-(N-Morpholino)propanesulfonic acid sodium saltMOPS1
20.7 MSodium ChlorideNaCl1
32 mMDithiothreitolDTT1
42 mMAdenosine 5-triphosphateATP1
52 mMEthylene glycol-bis(beta-aminoethyl ether)-N,N,N,N-tetraacetic acidEGTA1
60.05 mMDantroleneDantrolene1
SpecimenConc.: 3 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 95 % / Chamber temperature: 277 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal magnification: 81000 X / Nominal defocus max: 2600 nm / Nominal defocus min: 1200 nm / Cs: 2.7 mm
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingAverage exposure time: 2.69 sec. / Electron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) / Num. of grids imaged: 4 / Num. of real images: 13992
EM imaging opticsEnergyfilter slit width: 10 eV

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Processing

EM software
IDNameVersionCategory
1cryoSPARC3.3.1particle selection
2EPUimage acquisition
4cryoSPARC3.3.1CTF correction
7UCSF Chimeramodel fitting
9cryoSPARC3.3.1initial Euler assignment
10cryoSPARC3.3.1final Euler assignment
11cryoSPARC3.3.1classification
12cryoSPARC3.3.13D reconstruction
13PHENIX20model refinement
CTF correctionType: NONE
Particle selectionNum. of particles selected: 1749151
3D reconstructionResolution: 3.34 Å / Resolution method: OTHER / Num. of particles: 249034
Details: The P1 domain (at the corners) was refined using focused alignment and combined with the original 3.34 A-resolution map
Num. of class averages: 3 / Symmetry type: POINT
Atomic model buildingProtocol: RIGID BODY FIT / Space: REAL
Atomic model buildingPDB-ID: 7T64

7t64


Accession code: 7T64 / Source name: PDB / Type: experimental model

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