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- EMDB-60135: Human left ventricle F-actin -

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Basic information

Entry
Database: EMDB / ID: EMD-60135
TitleHuman left ventricle F-actin
Map data
Sample
  • Organelle or cellular component: Human left ventricle F-actin
    • Protein or peptide: Actin, alpha cardiac muscle 1
  • Ligand: ADENOSINE-5'-DIPHOSPHATE
Keywordsprotein fibril / filament actin
Function / homology
Function and homology information


actin filament-based movement / actin-myosin filament sliding / cardiac myofibril assembly / Formation of the dystrophin-glycoprotein complex (DGC) / cardiac muscle tissue morphogenesis / actomyosin structure organization / Striated Muscle Contraction / I band / RHOB GTPase cycle / microfilament motor activity ...actin filament-based movement / actin-myosin filament sliding / cardiac myofibril assembly / Formation of the dystrophin-glycoprotein complex (DGC) / cardiac muscle tissue morphogenesis / actomyosin structure organization / Striated Muscle Contraction / I band / RHOB GTPase cycle / microfilament motor activity / heart contraction / myosin binding / mesenchyme migration / skeletal muscle thin filament assembly / RHOA GTPase cycle / sarcomere / actin filament organization / filopodium / actin filament / Hydrolases; Acting on acid anhydrides; Acting on acid anhydrides to facilitate cellular and subcellular movement / lamellipodium / actin cytoskeleton / cell body / blood microparticle / hydrolase activity / focal adhesion / positive regulation of gene expression / negative regulation of apoptotic process / glutamatergic synapse / extracellular space / extracellular exosome / ATP binding / membrane / cytosol / cytoplasm
Similarity search - Function
Actins signature 1. / Actin, conserved site / Actins signature 2. / Actin/actin-like conserved site / Actins and actin-related proteins signature. / Actin / Actin family / Actin / ATPase, nucleotide binding domain
Similarity search - Domain/homology
Actin, alpha cardiac muscle 1
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodhelical reconstruction / cryo EM / Resolution: 4.25 Å
AuthorsLi DN / Zhao QY / Liu C
Funding support1 items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: Human left ventricle F-actin
Authors: Li DN / Zhao QY
History
DepositionMay 14, 2024-
Header (metadata) releaseJan 29, 2025-
Map releaseJan 29, 2025-
UpdateJan 29, 2025-
Current statusJan 29, 2025Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_60135.png

Downloads & links

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Map

FileDownload / File: emd_60135.map.gz / Format: CCP4 / Size: 40.6 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.83 Å/pix.
x 220 pix.
= 182.6 Å		0.83 Å/pix.
x 220 pix.
= 182.6 Å		0.83 Å/pix.
x 220 pix.
= 182.6 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.83 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.0047
Minimum - Maximum-0.011186328 - 0.028247913
Average (Standard dev.)0.0003836712 (±0.001970261)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions220220220
Spacing220220220
CellA=B=C: 182.59999 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_60135_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_60135_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Human left ventricle F-actin

EntireName: Human left ventricle F-actin
Components
  • Organelle or cellular component: Human left ventricle F-actin
    • Protein or peptide: Actin, alpha cardiac muscle 1
  • Ligand: ADENOSINE-5'-DIPHOSPHATE

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Supramolecule #1: Human left ventricle F-actin

SupramoleculeName: Human left ventricle F-actin / type: organelle_or_cellular_component / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Actin, alpha cardiac muscle 1

MacromoleculeName: Actin, alpha cardiac muscle 1 / type: protein_or_peptide / ID: 1 / Number of copies: 5 / Enantiomer: LEVO
EC number: Hydrolases; Acting on acid anhydrides; Acting on acid anhydrides to facilitate cellular and subcellular movement
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 41.342145 KDa
SequenceString: TTALVCDNGS GLVKAGFAGD DAPRAVFPSI VGRPRHQGVM VGMGQKDSYV GDEAQSKRGI LTLKYPIEHG IITNWDDMEK IWHHTFYNE LRVAPEEHPT LLTEAPLNPK ANREKMTQIM FETFNVPAMY VAIQAVLSLY ASGRTTGIVL DSGDGVTHNV P IYEGYALP ...String:
TTALVCDNGS GLVKAGFAGD DAPRAVFPSI VGRPRHQGVM VGMGQKDSYV GDEAQSKRGI LTLKYPIEHG IITNWDDMEK IWHHTFYNE LRVAPEEHPT LLTEAPLNPK ANREKMTQIM FETFNVPAMY VAIQAVLSLY ASGRTTGIVL DSGDGVTHNV P IYEGYALP HAIMRLDLAG RDLTDYLMKI LTERGYSFVT TAEREIVRDI KEKLCYVALD FENEMATAAS SSSLEKSYEL PD GQVITIG NERFRCPETL FQPSFIGMES AGIHETTYNS IMKCDIDIRK DLYANNVLSG GTTMYPGIAD RMQKEITALA PST MKIKII APPERKYSVW IGGSILASLS TFQQMWISKQ EYDEAGPSIV HRKCF

UniProtKB: Actin, alpha cardiac muscle 1

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Macromolecule #2: ADENOSINE-5'-DIPHOSPHATE

MacromoleculeName: ADENOSINE-5'-DIPHOSPHATE / type: ligand / ID: 2 / Number of copies: 5 / Formula: ADP
Molecular weightTheoretical: 427.201 Da
Chemical component information

ChemComp-ADP:
ADENOSINE-5'-DIPHOSPHATE / ADP, energy-carrying molecule*YM

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Experimental details

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Structure determination

Methodcryo EM
Processinghelical reconstruction
Aggregation statefilament

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Sample preparation

BufferpH: 8
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOCONTINUUM (6k x 4k) / Average electron dose: 55.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.0 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Final reconstructionApplied symmetry - Helical parameters - Δz: 27.3 Å
Applied symmetry - Helical parameters - Δ&Phi: -166.66 °
Applied symmetry - Helical parameters - Axial symmetry: C1 (asymmetric)
Resolution.type: BY AUTHOR / Resolution: 4.25 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 28275
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

8efi

Final angle assignmentType: NOT APPLICABLE

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