ELECTRON MICROSCOPY

Sample

Dark apoptosome

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK III
Cryogen Name ETHANE
Sample Vitrification Details 2.5ul sample blot additives present at the indicated final concentrations: NP-40 (0.025%), DHPG (diheptanoylphosphatidylglycerol; 0.05%), cytochrome c (0.5 mg/ml), DeoxybigChaps (0.01%), and lysine (0.03 mg/ml)
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 17769
Reported Resolution (Å) 4.4
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space ?
Refinement Protocol FLEXIBLE FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details local fitting with Chimera followed by flexible fitting with MDFF and refinement with Phenix.
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 1.8
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1500
Maximum Defocus (nm) 2400
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 0.01
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 e2boxer ?
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION CTFFIND3 ?
MODEL FITTING MDFF ?
INITIAL EULER ASSIGNMENT RELION 1.3
FINAL EULER ASSIGNMENT RELION 1.3
CLASSIFICATION RELION 1.3
RECONSTRUCTION RELION 1.3
MODEL REFINEMENT PHENIX ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?