ELECTRON MICROSCOPY
Sample
30S-IF1-IF3-mRNA pre-initiation complex (state-1C)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK I
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles18830
Reported Resolution (Å)5.35
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement SpaceRECIPROCAL
Refinement ProtocolOTHER
Refinement TargetFSC
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeOTHER
Electron Dose (electrons/Å**2)30
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI POLARA 300
Minimum Defocus (nm)1500
Maximum Defocus (nm)3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification78000
Calibrated Magnification104478
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION1.4
PARTICLE SELECTIONEMAN
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND3
MODEL FITTINGUCSF Chimera1.1
MODEL FITTINGCoot0.8
INITIAL EULER ASSIGNMENTRELION1.4
FINAL EULER ASSIGNMENTRELION1.4
CLASSIFICATIONRELION1.4
RECONSTRUCTIONRELION1.4
MODEL REFINEMENTREFMAC5.8
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION666610