5LY6

CryoEM structure of the membrane pore complex of Pneumolysin at 4.5A


ELECTRON MICROSCOPY
Sample
Pneumolysin pore complex
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles6461
Reported Resolution (Å)4.5
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC42
Map-Model Fitting and Refinement
Id1 (5AOD)
Refinement Space
Refinement ProtocolAB INITIO MODEL
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)1.02
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI POLARA 300
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION1.4
IMAGE ACQUISITIONRELION1.4
CTF CORRECTIONCTFFIND3
MODEL FITTINGCoot8.4
INITIAL EULER ASSIGNMENTRELION1.4
FINAL EULER ASSIGNMENTRELION1.4
CLASSIFICATIONRELION1.4
RECONSTRUCTIONRELION1.4
MODEL REFINEMENTCoot8.4
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION