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- EMDB-60132: RAT skeletal muscle F-actin -

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Basic information

Entry
Database: EMDB / ID: EMD-60132
TitleRAT skeletal muscle F-actin
Map data
Sample
  • Organelle or cellular component: RAT skeletal muscle filament actin
    • Protein or peptide: Actin, alpha skeletal muscle
  • Ligand: ADENOSINE-5'-DIPHOSPHATE
Keywordsprotein fibril / filament actin
Function / homology
Function and homology information


Formation of the dystrophin-glycoprotein complex (DGC) / Striated Muscle Contraction / skeletal muscle fiber adaptation / cellular response to potassium ion / response to steroid hormone / mesenchyme migration / striated muscle thin filament / skeletal muscle thin filament assembly / response to mechanical stimulus / stress fiber ...Formation of the dystrophin-glycoprotein complex (DGC) / Striated Muscle Contraction / skeletal muscle fiber adaptation / cellular response to potassium ion / response to steroid hormone / mesenchyme migration / striated muscle thin filament / skeletal muscle thin filament assembly / response to mechanical stimulus / stress fiber / skeletal muscle fiber development / sarcomere / filopodium / actin filament / Hydrolases; Acting on acid anhydrides; Acting on acid anhydrides to facilitate cellular and subcellular movement / lamellipodium / actin cytoskeleton / cell body / hydrolase activity / positive regulation of gene expression / ATP binding / 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 skeletal muscle
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat)
Methodhelical reconstruction / cryo EM / Resolution: 3.54 Å
AuthorsLi DN / Zhao QY / Liu C
Funding support1 items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: RAT skeletal muscle 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_60132.png

Downloads & links

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Map

FileDownload / File: emd_60132.map.gz / Format: CCP4 / Size: 512 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 512 pix.
= 424.96 Å		0.83 Å/pix.
x 512 pix.
= 424.96 Å		0.83 Å/pix.
x 512 pix.
= 424.96 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: 0.0054
Minimum - Maximum-0.035063937 - 0.063689634
Average (Standard dev.)0.00008782853 (±0.001348517)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions512512512
Spacing512512512
CellA=B=C: 424.96 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #1

Fileemd_60132_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_60132_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 : RAT skeletal muscle filament actin

EntireName: RAT skeletal muscle filament actin
Components
  • Organelle or cellular component: RAT skeletal muscle filament actin
    • Protein or peptide: Actin, alpha skeletal muscle
  • Ligand: ADENOSINE-5'-DIPHOSPHATE

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Supramolecule #1: RAT skeletal muscle filament actin

SupramoleculeName: RAT skeletal muscle filament actin / type: organelle_or_cellular_component / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Rattus norvegicus (Norway rat)

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Macromolecule #1: Actin, alpha skeletal muscle

MacromoleculeName: Actin, alpha skeletal muscle / type: protein_or_peptide / ID: 1 / Number of copies: 6 / Enantiomer: LEVO
EC number: Hydrolases; Acting on acid anhydrides; Acting on acid anhydrides to facilitate cellular and subcellular movement
Source (natural)Organism: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 41.374207 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 DLYANNVMSG GTTMYPGIAD RMQKEITALA PST MKIKII APPERKYSVW IGGSILASLS TFQQMWITKQ EYDEAGPSIV HRKCF

UniProtKB: Actin, alpha skeletal muscle

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Macromolecule #2: ADENOSINE-5'-DIPHOSPHATE

MacromoleculeName: ADENOSINE-5'-DIPHOSPHATE / type: ligand / ID: 2 / Number of copies: 6 / 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: 27.325 Å
Applied symmetry - Helical parameters - Δ&Phi: -166.693 °
Applied symmetry - Helical parameters - Axial symmetry: C1 (asymmetric)
Resolution.type: BY AUTHOR / Resolution: 3.54 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 19250
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

8efi

Final angle assignmentType: NOT APPLICABLE
FSC plot (resolution estimation)

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