3JBT

Atomic structure of the Apaf-1 apoptosome


ELECTRON MICROSCOPY
Sample
Heptameric apoptosome of activated human Apaf-1 binding to horse cytochrome c and dATP
Sample Components
The apoptotic protease activating factor 1
cytochrome c
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles134919
Reported Resolution (Å)3.8
Resolution MethodFSC 0.143 CUT-OFF
Other Details(Single particle--Applied symmetry: C7)
Refinement Type
Symmetry TypePOINT
Point SymmetryC7
Map-Model Fitting and Refinement
Id1 (3J2T)2 (4RSZ)
Refinement SpaceREALREAL
Refinement ProtocolRIGID BODY FITRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsREFINEMENT PROTOCOL--rigid bodyREFINEMENT PROTOCOL--rigid body
Data Acquisition
Detector TypeGATAN K2 (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment2015-01-10
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1400
Maximum Defocus (nm)3000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONRELION