6UHC
CryoEM structure of human Arp2/3 complex with bound NPFs
ELECTRON MICROSCOPY
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4JD2 |
Sample |
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Cryo-EM structure of human Arp2/3 complex with bound NPFs |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | LEICA EM CPC |
Cryogen Name | ETHANE |
Sample Vitrification Details | Grids manually blotted for 3 seconds with Whatman 41 filter paper and manually plunged on Leica EM CPC manual plunger. |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 123198 |
Reported Resolution (Å) | 3.9 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
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Id | 1 (4JD2) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | correlation | ||||
Overall B Value | 132 | ||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 40 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | -1500 |
Maximum Defocus (nm) | -3500 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2.7 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | FEI TITAN KRIOS AUTOGRID HOLDER |
Nominal Magnification | 165000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details | Data collected in super resolution mode. Illuminated area of 1.01um. Nominal Dose of 40a/A^2 and a dose rate of 4.87 e-/s/pixel. 2 or 5 exposures per hole by image shift. |
EM Software | ||
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Task | Software Package | Version |
IMAGE ACQUISITION | Latitude | |
CTF CORRECTION | CTFFIND | |
CTF CORRECTION | cryoSPARC | 2.9.0 |
MODEL FITTING | Coot | |
INITIAL EULER ASSIGNMENT | cryoSPARC | |
FINAL EULER ASSIGNMENT | cryoSPARC | |
CLASSIFICATION | cryoSPARC | 2.9.0 |
RECONSTRUCTION | cryoSPARC | 2.9.0 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION |