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Active complex of Apaf-1, cytochrome c and pro-caspase 9
Specimen Preparation
Sample Aggregation State
PARTICLE
Vitrification Instrument
FEI VITROBOT MARK III
Cryogen Name
ETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction Method
SINGLE PARTICLE
Number of Particles
92867
Reported Resolution (Å)
4.1
Resolution Method
FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type
POINT
Point Symmetry
C7
Map-Model Fitting and Refinement
Id
1
Refinement Space
REAL
Refinement Protocol
FLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Initial rigid body fitting with Chimera with a previously published starting model (PDB 3J2T), molecular dynamics flexible fitting with MDFF and real ...
Initial rigid body fitting with Chimera with a previously published starting model (PDB 3J2T), molecular dynamics flexible fitting with MDFF and real space density refinement with Phenix
Data Acquisition
Detector Type
GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)
1.8
Imaging Experiment
1
Date of Experiment
Temperature (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
data collected with a Cs aberration corrector and a GIF energy filter with a slit width of 20 eV.