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- EMDB-44030: INF2 in the Middle of F-Actin, Down state WH2 from static FH2 -

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Open data


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Basic information

Entry
Database: EMDB / ID: EMD-44030
TitleINF2 in the Middle of F-Actin, Down state WH2 from static FH2
Map data
Sample
  • Complex: INF2 in the Middle of Actin Filament
    • Complex: INF2
    • Complex: Actin Filament
KeywordsActin / Formin / Filament / Severing / CYTOSOLIC PROTEIN
Biological speciesHomo sapiens (human) / Oryctolagus cuniculus (rabbit)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.13 Å
AuthorsPalmer NJ / Barrie KR / Dominguez R
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) United States
CitationJournal: To Be Published
Title: Mechanisms of Actin Filament Severing and Elongation by Formins
Authors: Palmer NJ / Barrie KR / Dominguez R
History
DepositionMar 11, 2024-
Header (metadata) releaseMay 29, 2024-
Map releaseMay 29, 2024-
UpdateMay 29, 2024-
Current statusMay 29, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_44030.png

Downloads & links

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Map

FileDownload / File: emd_44030.map.gz / Format: CCP4 / Size: 91.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 1.08 Å
Density
Contour LevelBy AUTHOR: 0.127
Minimum - Maximum-0.31433937 - 0.77695584
Average (Standard dev.)0.0016983754 (±0.029217426)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions288288288
Spacing288288288
CellA=B=C: 311.04 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_44030_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_44030_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_44030_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 : INF2 in the Middle of Actin Filament

EntireName: INF2 in the Middle of Actin Filament
Components
  • Complex: INF2 in the Middle of Actin Filament
    • Complex: INF2
    • Complex: Actin Filament

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Supramolecule #1: INF2 in the Middle of Actin Filament

SupramoleculeName: INF2 in the Middle of Actin Filament / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2

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Supramolecule #2: INF2

SupramoleculeName: INF2 / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #3: Actin Filament

SupramoleculeName: Actin Filament / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2
Source (natural)Organism: Oryctolagus cuniculus (rabbit)

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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

Concentration1.45 mg/mL
BufferpH: 8
Component:
ConcentrationName
20.0 mMHEPES
50.0 mMNaCl
1.0 mMEGTA
1.0 mMDTT
2.0 mMATP
2.0 mMMgCl2
GridModel: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY / Support film - Film thickness: 100 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 120 sec.
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Number real images: 41926 / Average electron dose: 44.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: SPOT SCAN / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.5 µm / Nominal defocus min: 0.5 µm
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.13 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 4.0) / Number images used: 142907
Initial angle assignmentType: RANDOM ASSIGNMENT / Software - Name: cryoSPARC (ver. 4.0)
Final angle assignmentType: RANDOM ASSIGNMENT / Software - Name: cryoSPARC (ver. 4.0)
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial model
PDB IDChainDetails

8f8p

source_name: PDB, initial_model_type: experimental model
source_name: AlphaFold, initial_model_type: in silico modelMultimer
RefinementProtocol: RIGID BODY FIT

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