3J9L

Structure of Dark apoptosome from Drosophila melanogaster


ELECTRON MICROSCOPY
Sample
Dark apoptosome
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK II
Cryogen NameETHANE
Sample Vitrification DetailsBlot for 2 seconds before plunging into liquid ethane (FEI VITROBOT MARK II).
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles9354
Reported Resolution (Å)4
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsTo correct for beam-induced movements, the 16 video frames for each micrograph were first aligned using whole-image motion correction. Then particle-b ...To correct for beam-induced movements, the 16 video frames for each micrograph were first aligned using whole-image motion correction. Then particle-based beam-induced movement correction was performed using statistical movie processing in RELION.
Refinement Type
Symmetry TypePOINT
Point SymmetryD8
Data Acquisition
Detector TypeFEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)28
Imaging Experiment1
Date of Experiment2013-11-17
Temperature (Kelvin)
Microscope ModelFEI POLARA 300
Minimum Defocus (nm)1600
Maximum Defocus (nm)6600
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2
Imaging ModeBRIGHT FIELD
Specimen Holder ModelGATAN LIQUID NITROGEN
Nominal Magnification78000
Calibrated Magnification104748
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONCTFFIND3
RECONSTRUCTIONRELION
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
Each particle