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- PDB-8vjj: Structure of mouse RyR1 (EGTA-only dataset) -

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Basic information

Entry
Database: PDB / ID: 8vjj
TitleStructure of mouse RyR1 (EGTA-only dataset)
Components
  • Peptidyl-prolyl cis-trans isomerase FKBP1A
  • Ryanodine receptor 1
KeywordsMEMBRANE PROTEIN / Calcium / Ion Channel
Function / homology
Function and homology information


junctional membrane complex / TGF-beta receptor signaling activates SMADs / Calcineurin activates NFAT / mTORC1-mediated signalling / regulation of response to osmotic stress / cytoplasmic side of membrane / regulation of muscle contraction / sarcoplasmic reticulum calcium ion transport / transforming growth factor beta receptor binding / Stimuli-sensing channels ...junctional membrane complex / TGF-beta receptor signaling activates SMADs / Calcineurin activates NFAT / mTORC1-mediated signalling / regulation of response to osmotic stress / cytoplasmic side of membrane / regulation of muscle contraction / sarcoplasmic reticulum calcium ion transport / transforming growth factor beta receptor binding / Stimuli-sensing channels / type I transforming growth factor beta receptor binding / Ion homeostasis / heart trabecula formation / terminal cisterna / ryanodine receptor complex / ryanodine-sensitive calcium-release channel activity / release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / response to caffeine / ossification involved in bone maturation / ventricular cardiac muscle tissue morphogenesis / skin development / cellular response to ATP / FK506 binding / cellular response to caffeine / outflow tract morphogenesis / organelle membrane / smooth endoplasmic reticulum / voltage-gated calcium channel activity / skeletal muscle fiber development / T cell proliferation / striated muscle contraction / heart morphogenesis / axon terminus / release of sequestered calcium ion into cytosol / regulation of ryanodine-sensitive calcium-release channel activity / extrinsic component of cytoplasmic side of plasma membrane / T-tubule / sarcoplasmic reticulum membrane / calcium channel complex / regulation of cytosolic calcium ion concentration / Hsp70 protein binding / cellular response to calcium ion / sarcomere / peptidylprolyl isomerase / sarcoplasmic reticulum / peptidyl-prolyl cis-trans isomerase activity / muscle contraction / negative regulation of transforming growth factor beta receptor signaling pathway / calcium channel activity / cytoplasmic side of plasma membrane / sarcolemma / cytokine-mediated signaling pathway / Z disc / calcium ion transport / protein homotetramerization / protease binding / vesicle / transmembrane transporter binding / calmodulin binding / synapse / calcium ion binding / perinuclear region of cytoplasm / enzyme binding / protein-containing complex / ATP binding / identical protein binding / membrane / cytoplasm / cytosol
Similarity search - Function
: / Ryanodine receptor junctional solenoid repeat / Ryanodine receptor, SPRY domain 2 / 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 junctional solenoid repeat / Ryanodine receptor, SPRY domain 2 / 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. / SPRY domain / B30.2/SPRY domain superfamily / Domain in SPla and the RYanodine Receptor. / FKBP-type peptidyl-prolyl cis-trans isomerase domain profile. / FKBP-type peptidyl-prolyl cis-trans isomerase domain / FKBP-type peptidyl-prolyl cis-trans isomerase / 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
1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE / Ryanodine receptor 1 / Peptidyl-prolyl cis-trans isomerase FKBP1A
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.53 Å
AuthorsWeninger, G. / Marks, A.R.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI)R01HL145473 United States
CitationJournal: Proc Natl Acad Sci U S A / Year: 2024
Title: Structural insights into the regulation of RyR1 by S100A1.
Authors: Gunnar Weninger / Marco C Miotto / Carl Tchagou / Steven Reiken / Haikel Dridi / Sören Brandenburg / Gabriel C Riedemann / Qi Yuan / Yang Liu / Alexander Chang / Anetta Wronska / Stephan E ...Authors: Gunnar Weninger / Marco C Miotto / Carl Tchagou / Steven Reiken / Haikel Dridi / Sören Brandenburg / Gabriel C Riedemann / Qi Yuan / Yang Liu / Alexander Chang / Anetta Wronska / Stephan E Lehnart / Andrew R Marks /
Abstract: S100A1, a small homodimeric EF-hand Ca-binding protein (~21 kDa), plays an important regulatory role in Ca signaling pathways involved in various biological functions including Ca cycling and ...S100A1, a small homodimeric EF-hand Ca-binding protein (~21 kDa), plays an important regulatory role in Ca signaling pathways involved in various biological functions including Ca cycling and contractile performance in skeletal and cardiac myocytes. One key target of the S100A1 interactome is the ryanodine receptor (RyR), a huge homotetrameric Ca release channel (~2.3 MDa) of the sarcoplasmic reticulum. Here, we report cryoelectron microscopy structures of S100A1 bound to RyR1, the skeletal muscle isoform, in absence and presence of Ca. Ca-free apo-S100A1 binds beneath the bridging solenoid (BSol) and forms contacts with the junctional solenoid and the shell-core linker of RyR1. Upon Ca-binding, S100A1 undergoes a conformational change resulting in the exposure of the hydrophobic pocket known to serve as a major interaction site of S100A1. Through interactions of the hydrophobic pocket with RyR1, Ca-bound S100A1 intrudes deeper into the RyR1 structure beneath BSol than the apo-form and induces sideways motions of the C-terminal BSol region toward the adjacent RyR1 protomer resulting in tighter interprotomer contacts. Interestingly, the second hydrophobic pocket of the S100A1-dimer is largely exposed at the hydrophilic surface making it prone to interactions with the local environment, suggesting that S100A1 could be involved in forming larger heterocomplexes of RyRs with other protein partners. Since S100A1 interactions stabilizing BSol are implicated in the regulation of RyR-mediated Ca release, the characterization of the S100A1 binding site conserved between RyR isoforms may provide the structural basis for the development of therapeutic strategies regarding treatments of RyR-related disorders.
History
DepositionJan 7, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 17, 2024Provider: repository / Type: Initial release
Revision 1.1Jul 10, 2024Group: 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.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _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
E: Peptidyl-prolyl cis-trans isomerase FKBP1A
H: Peptidyl-prolyl cis-trans isomerase FKBP1A
F: Peptidyl-prolyl cis-trans isomerase FKBP1A
G: Peptidyl-prolyl cis-trans isomerase FKBP1A
D: Ryanodine receptor 1
B: Ryanodine receptor 1
C: Ryanodine receptor 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,317,08720
Polymers2,310,5298
Non-polymers6,55912
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: 565692.562 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: E9PZQ0
#2: Protein
Peptidyl-prolyl cis-trans isomerase FKBP1A / PPIase FKBP1A / 12 kDa FK506-binding protein / 12 kDa FKBP / FKBP-12 / Calstabin-1 / FK506-binding ...PPIase FKBP1A / 12 kDa FK506-binding protein / 12 kDa FKBP / FKBP-12 / Calstabin-1 / FK506-binding protein 1A / FKBP-1A / Immunophilin FKBP12 / Rotamase


Mass: 11939.629 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: P26883, 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-PCW / 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE / (Z,Z)-4-HYDROXY-N,N,N-TRIMETHYL-10-OXO-7-[(1-OXO-9-OCTADECENYL)OXY]-3,5,9-TRIOXA-4-PHOSPHAHEPTACOS-18-EN-1-AMINIUM-4-OXIDE


Mass: 787.121 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C44H85NO8P / Comment: DOPC, phospholipid*YM
Has ligand of interestY

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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: Complex of RyR1 with Calstabin-1 (EGTA condition) / Type: COMPLEX / Entity ID: #1-#2 / Source: NATURAL
Source (natural)Organism: Mus musculus (house mouse)
Buffer solutionpH: 7.4
Buffer component
IDConc.NameFormulaBuffer-ID
110 mmol/LHEPES1
2150 mmol/Lsodium chlorideNaCl1
30.25 %CHAPS1
40.01 %DOPC1
50.5 mmol/LTCEP1
65 mmol/LEGTA1
SpecimenConc.: 8.5 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R0.6/1
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277.15 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 1200 nm / Nominal defocus min: 500 nm / Cs: 2.7 mm / C2 aperture diameter: 100 µm
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingElectron dose: 58 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Num. of grids imaged: 1 / Num. of real images: 12147

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Processing

EM software
IDNameCategory
1cryoSPARCparticle selection
4cryoSPARCCTF correction
7Cootmodel fitting
9PHENIXmodel refinement
10cryoSPARCinitial Euler assignment
11cryoSPARCfinal Euler assignment
12cryoSPARCclassification
13cryoSPARC3D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C4 (4 fold cyclic)
3D reconstructionResolution: 2.53 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 336237 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.005146212
ELECTRON MICROSCOPYf_angle_d0.664197956
ELECTRON MICROSCOPYf_dihedral_angle_d6.04719876
ELECTRON MICROSCOPYf_chiral_restr0.03921724
ELECTRON MICROSCOPYf_plane_restr0.00625736

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