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- EMDB-28887: Rat Cardiac Sodium Channel with Ranolazine Bound -

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Basic information

Entry
Database: EMDB / ID: EMD-28887
TitleRat Cardiac Sodium Channel with Ranolazine Bound
Map dataSharpened map used for model building and interpretation
Sample
  • Complex: Complex of rat cardiac sodium channel with the antiarrhythmic drug ranolazine
    • Protein or peptide: Sodium channel protein type 5 subunit alpha,Green fluorescent protein
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
  • Ligand: beta-D-mannopyranose
  • Ligand: (R)-ranolazine
  • Ligand: [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate
  • Ligand: CHOLESTEROL HEMISUCCINATE
KeywordsIon Channel Voltage-Gated Ion Channel / MEMBRANE PROTEIN
Function / homology
Function and homology information


voltage-gated sodium channel activity involved in AV node cell action potential / voltage-gated sodium channel activity involved in bundle of His cell action potential / voltage-gated sodium channel activity involved in Purkinje myocyte action potential / voltage-gated sodium channel activity involved in SA node cell action potential / bundle of His cell action potential / regulation of ventricular cardiac muscle cell membrane depolarization / AV node cell action potential / SA node cell action potential / AV node cell to bundle of His cell communication / sodium channel complex ...voltage-gated sodium channel activity involved in AV node cell action potential / voltage-gated sodium channel activity involved in bundle of His cell action potential / voltage-gated sodium channel activity involved in Purkinje myocyte action potential / voltage-gated sodium channel activity involved in SA node cell action potential / bundle of His cell action potential / regulation of ventricular cardiac muscle cell membrane depolarization / AV node cell action potential / SA node cell action potential / AV node cell to bundle of His cell communication / sodium channel complex / membrane depolarization during SA node cell action potential / response to denervation involved in regulation of muscle adaptation / membrane depolarization during atrial cardiac muscle cell action potential / cardiac ventricle development / regulation of atrial cardiac muscle cell membrane repolarization / voltage-gated sodium channel activity involved in cardiac muscle cell action potential / brainstem development / membrane depolarization during AV node cell action potential / membrane depolarization during bundle of His cell action potential / membrane depolarization during Purkinje myocyte cell action potential / regulation of atrial cardiac muscle cell membrane depolarization / positive regulation of action potential / atrial cardiac muscle cell action potential / telencephalon development / membrane depolarization during cardiac muscle cell action potential / membrane depolarization during action potential / positive regulation of sodium ion transport / regulation of sodium ion transmembrane transport / ventricular cardiac muscle cell action potential / regulation of ventricular cardiac muscle cell membrane repolarization / cardiac muscle cell action potential involved in contraction / voltage-gated sodium channel complex / sodium ion import across plasma membrane / regulation of cardiac muscle cell contraction / ankyrin binding / voltage-gated sodium channel activity / sodium ion transport / nitric-oxide synthase binding / fibroblast growth factor binding / odontogenesis of dentin-containing tooth / regulation of heart rate by cardiac conduction / intercalated disc / lateral plasma membrane / membrane depolarization / positive regulation of heart rate / neuronal action potential / cardiac muscle contraction / T-tubule / sodium ion transmembrane transport / regulation of heart rate / cellular response to calcium ion / bioluminescence / cerebellum development / positive regulation of epithelial cell proliferation / generation of precursor metabolites and energy / sarcolemma / caveola / Z disc / scaffold protein binding / transmembrane transporter binding / calmodulin binding / protein domain specific binding / axon / ubiquitin protein ligase binding / protein kinase binding / perinuclear region of cytoplasm / enzyme binding / cell surface / endoplasmic reticulum / membrane / plasma membrane
Similarity search - Function
Voltage gated sodium channel, alpha-5 subunit / Voltage-gated Na+ ion channel, cytoplasmic domain / Cytoplasmic domain of voltage-gated Na+ ion channel / Sodium ion transport-associated / Voltage-gated sodium channel alpha subunit, inactivation gate / Sodium ion transport-associated / SCN5A-like, C-terminal IQ motif / Voltage gated sodium channel, alpha subunit / Voltage-gated cation channel calcium and sodium / Voltage-dependent channel domain superfamily ...Voltage gated sodium channel, alpha-5 subunit / Voltage-gated Na+ ion channel, cytoplasmic domain / Cytoplasmic domain of voltage-gated Na+ ion channel / Sodium ion transport-associated / Voltage-gated sodium channel alpha subunit, inactivation gate / Sodium ion transport-associated / SCN5A-like, C-terminal IQ motif / Voltage gated sodium channel, alpha subunit / Voltage-gated cation channel calcium and sodium / Voltage-dependent channel domain superfamily / Green fluorescent protein, GFP / Green fluorescent protein-related / Green fluorescent protein / Green fluorescent protein / Ion transport domain / Ion transport protein
Similarity search - Domain/homology
Sodium channel protein type 5 subunit alpha / Green fluorescent protein
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat) / Aequorea victoria (jellyfish)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsLenaeus MJ / Tonggu L
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI)K08 HL145630-05 United States
CitationJournal: Nat Cardiovasc Res / Year: 2023
Title: Structural basis for inhibition of the cardiac sodium channel by the atypical antiarrhythmic drug ranolazine.
Authors: Michael Lenaeus / Tamer M Gamal El-Din / Lige Tonggu / Ning Zheng / William A Catterall /
History
DepositionNov 16, 2022-
Header (metadata) releaseApr 12, 2023-
Map releaseApr 12, 2023-
UpdateNov 13, 2024-
Current statusNov 13, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_28887.png

Downloads & links

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Map

FileDownload / File: emd_28887.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationSharpened map used for model building and interpretation
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.06 Å/pix.
x 256 pix.
= 270.336 Å		1.06 Å/pix.
x 256 pix.
= 270.336 Å		1.06 Å/pix.
x 256 pix.
= 270.336 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.056 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.4171
Minimum - Maximum-2.555185 - 4.172765
Average (Standard dev.)0.00393131 (±0.09235288)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 270.336 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: HalfMap B

Fileemd_28887_half_map_1.map
AnnotationHalfMap B
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: HalfMap A

Fileemd_28887_half_map_2.map
AnnotationHalfMap A
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Complex of rat cardiac sodium channel with the antiarrhythmic dru...

EntireName: Complex of rat cardiac sodium channel with the antiarrhythmic drug ranolazine
Components
  • Complex: Complex of rat cardiac sodium channel with the antiarrhythmic drug ranolazine
    • Protein or peptide: Sodium channel protein type 5 subunit alpha,Green fluorescent protein
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
  • Ligand: beta-D-mannopyranose
  • Ligand: (R)-ranolazine
  • Ligand: [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate
  • Ligand: CHOLESTEROL HEMISUCCINATE

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Supramolecule #1: Complex of rat cardiac sodium channel with the antiarrhythmic dru...

SupramoleculeName: Complex of rat cardiac sodium channel with the antiarrhythmic drug ranolazine
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 250 KDa

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Macromolecule #1: Sodium channel protein type 5 subunit alpha,Green fluorescent protein

MacromoleculeName: Sodium channel protein type 5 subunit alpha,Green fluorescent protein
type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Aequorea victoria (jellyfish)
Molecular weightTheoretical: 209.096922 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MANLLLPRGT SSFRRFTRES LAAIEKRMAE KQARGGSATS QESREGLQEE EAPRPQLDLQ ASKKLPDLYG NPPRELIGEP LEDLDPFYS TQKTFIVLNK GKTIFRFSAT NALYVLSPFH PVRRAAVKIL VHSLFSMLIM CTILTNCVFM AQHDPPPWTK Y VEYTFTAI ...String:
MANLLLPRGT SSFRRFTRES LAAIEKRMAE KQARGGSATS QESREGLQEE EAPRPQLDLQ ASKKLPDLYG NPPRELIGEP LEDLDPFYS TQKTFIVLNK GKTIFRFSAT NALYVLSPFH PVRRAAVKIL VHSLFSMLIM CTILTNCVFM AQHDPPPWTK Y VEYTFTAI YTFESLVKIL ARGFCLHAFT FLRDPWNWLD FSVIVMAYTT EFVDLGNVSA LRTFRVLRAL KTISVISGLK TI VGALIQS VKKLADVMVL TVFCLSVFAL IGLQLFMGNL RHKCVRNFTE LNGTNGSVEA DGLVWNSLDV YLNDPANYLL KNG TTDVLL CGNSSDAGTC PEGYRCLKAG QNPDHGYTSF DSFAWAFLAL FRLMTQDCWE RLYQQTLRSA GKIYMIFFML VIFL GSFYL VNLILAVVAM AYEEQNQATI AETEEKEKRF QEAMEMLKKE HEALTIRGVD TVSRSSARQR ALSAVSVLTS ALEEL EESH RKCPPCWNRF AQHYLIWECC PLWMSIKQKV KFVVMDPFAD LTITMCIVLN TLFMALEHYN MTAEFEEMLQ VGNLVF TGI FTAEMTFKII ALDPYYYFQQ GWNIFDSIIV ILSLMELGLS RMGNLSVLRS FRLLRVFKLA KSWPTLNTLI KIIGNSV GA LGNLTLVLAI IVFIFAVVGM QLFGKNYSEL RHRISDSGLL PRWHMMDFFH AFLIIFRILC GEWIETMWDC MEVSGQSL C LLVFLLVMVI GNLVVLNLFL ALLLSSFSAD NLTAPDEDGE MNNLQLALAR IQRGLRFVKR TTWDFCCGIL RRRPKKPAA LATHSQLPSC ITAPRSPPPP EVEKVPPARK ETRFEEDKRP GQGTPGDSEP VCVPIAVAES DTEDQEEDEE NGKVWWRLRK TCYRIVEHS WFETFIIFMI LLSSGALAFE DIYLEERKTI KVLLEYADKM FTYVFVLEML LKWVAYGFKK YFTNAWCWLD F LIVDVSLV SLVANTLGFA EMGPIKSLRT LRALRPLRAL SRFEGMRVVV NALVGAIPSI MNVLLVCLIF WLIFSIMGVN LF AGKFGRC INQTEGDLPL NYTIVNNKSE CESFNVTGEL YWTKVKVNFD NVGAGYLALL QVATFKGWMD IMYAAVDSRG YEE QPQWED NLYMYIYFVV FIIFGSFFTL NLFIGVIIDN FNQQKKKLGG QDIFMTEEQK KYYNMMKKLG SKKPQKPIPR PLNK YQGFI FDIVTKQAFD VTIMFLICLN MVTMMVETDD QSPEKVNILA KINLLFVAIF TGECIVKMAA LRHYYFTNSW NIFDF VVVI LSIVGTVLSD IIQKYFFSPT LFRVIRLARI GRILRLIRGA KGIRTLLFAL MMSLPALFNI GLLLFLVMFI YSIFGM ANF AYVKWEAGID DMFNFQTFAN SMLCLFQITT SAGWDGLLSP ILNTGPPYCD PNLPNSNGSR GNCGSPAVGI LFFTTYI II SFLIVVNMYI AIILENFSVA TEESTEPLSE DDFDMFYEIW EKFDPEATQF IEYLALSDFA DALSEPLRIA KPNQISLI N MDLPMVSGDR IHCMDILFAF TKRVLGESGE MDALKIQMEE KFMAANPSKI SYEPITTTLE VLFQGPGSMV SKGEELFTG VVPILVELDG DVNGHKFSVS GEGEGDATYG KLTLKFICTT GKLPVPWPTL VTTLTYGVQC FSRYPDHMKQ HDFFKSAMPE GYVQERTIF FKDDGNYKTR AEVKFEGDTL VNRIELKGID FKEDGNILGH KLEYNYNSHN VYIMADKQKN GIKVNFKIRH N IEDGSVQL ADHYQQNTPI GDGPVLLPDN HYLSTQSALS KDPNEKRDHM VLLEFVTAAG ITLGMDELYK GSDYKDDDDK

UniProtKB: Sodium channel protein type 5 subunit alpha, Sodium channel protein type 5 subunit alpha, Sodium channel protein type 5 subunit alpha, Green fluorescent protein

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Macromolecule #3: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 3 / Number of copies: 7 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose

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Macromolecule #4: beta-D-mannopyranose

MacromoleculeName: beta-D-mannopyranose / type: ligand / ID: 4 / Number of copies: 3 / Formula: BMA
Molecular weightTheoretical: 180.156 Da
Chemical component information

ChemComp-BMA:
beta-D-mannopyranose

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Macromolecule #5: (R)-ranolazine

MacromoleculeName: (R)-ranolazine / type: ligand / ID: 5 / Number of copies: 1 / Formula: XHO
Molecular weightTheoretical: 427.537 Da
Chemical component information

ChemComp-XHO:
(R)-ranolazine

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Macromolecule #6: [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyl...

MacromoleculeName: [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate
type: ligand / ID: 6 / Number of copies: 6 / Formula: 6OU
Molecular weightTheoretical: 717.996 Da
Chemical component information

ChemComp-6OU:
[(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate / phospholipid*YM

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Macromolecule #7: CHOLESTEROL HEMISUCCINATE

MacromoleculeName: CHOLESTEROL HEMISUCCINATE / type: ligand / ID: 7 / Number of copies: 13 / Formula: Y01
Molecular weightTheoretical: 486.726 Da
Chemical component information

ChemComp-Y01:
CHOLESTEROL HEMISUCCINATE

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

Concentration4 mg/mL
BufferpH: 6
GridModel: Quantifoil R1.2/1.3 / Material: GOLD / Support film - Material: GRAPHENE / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE
VitrificationCryogen name: ETHANE / Instrument: FEI VITROBOT MARK IV
DetailsMonodisperse protein from SEC

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Electron microscopy

MicroscopeTFS KRIOS
Specialist opticsEnergy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 60.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.8000000000000003 µm / Nominal defocus min: 1.2 µm
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

6uz0

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 165532
Initial angle assignmentType: RANDOM ASSIGNMENT
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final 3D classificationSoftware - Name: cryoSPARC (ver. 3.3)

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Atomic model buiding 1

RefinementSpace: REAL / Protocol: RIGID BODY FIT
Output model

PDB-8f6p:
Rat Cardiac Sodium Channel with Ranolazine Bound

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