6UHC

CryoEM structure of human Arp2/3 complex with bound NPFs


ELECTRON MICROSCOPY
Sample
Cryo-EM structure of human Arp2/3 complex with bound NPFs
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM CPC
Cryogen NameETHANE
Sample Vitrification DetailsGrids manually blotted for 3 seconds with Whatman 41 filter paper and manually plunged on Leica EM CPC manual plunger.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles123198
Reported Resolution (Å)3.9
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (4JD2)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Targetcorrelation
Overall B Value132
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)-1500
Maximum Defocus (nm)-3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification165000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsData 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
TaskSoftware PackageVersion
IMAGE ACQUISITIONLatitude
CTF CORRECTIONCTFFIND
CTF CORRECTIONcryoSPARC2.9.0
MODEL FITTINGCoot
INITIAL EULER ASSIGNMENTcryoSPARC
FINAL EULER ASSIGNMENTcryoSPARC
CLASSIFICATIONcryoSPARC2.9.0
RECONSTRUCTIONcryoSPARC2.9.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION627163