7SJ4

ELECTRON MICROSCOPY

Sample

Human Trio residues 1284-1959 in complex with Rac1

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Blot force 10
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 922202
Reported Resolution (Å) 2.86
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target correlation coefficient
Overall B Value ?
Fitting Procedure ?
Details The initial model was generated from the pdb structure (2NZ8) using the SWISS-MODEL server and rigid-body fitted using Chimera. Several runs of structure refinement were done using the coot and phenix real-space refinement.
Data Acquisition
Detector Type GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å2) 55
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 3000
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 81000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 3.3.1
IMAGE ACQUISITION Leginon ?
CTF CORRECTION cryoSPARC 3.3.1
MODEL FITTING UCSF Chimera 1.15
MODEL FITTING Coot 9.6
MODEL REFINEMENT Coot 9.6
MODEL REFINEMENT PHENIX 1.20-4459
INITIAL EULER ASSIGNMENT cryoSPARC 3.3.1
FINAL EULER ASSIGNMENT cryoSPARC 3.3.1
CLASSIFICATION cryoSPARC 3.3.1
RECONSTRUCTION cryoSPARC 3.3.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?