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BACTERIOPHAGE SPP1 MATURE CAPSID PROTEIN
Sample Bacillus phage SPP1
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK II Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 4500 Reported Resolution (Å) 4 Resolution Method FSC 0.5 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry I
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 BASE (4k x 4k) Electron Dose (electrons/Å**2) 25
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI POLARA 300 Minimum Defocus (nm) 1000 Maximum Defocus (nm) 3500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.3 Imaging Mode BRIGHT FIELD Specimen Holder Model GATAN 910 MULTI-SPECIMEN SINGLE TILT CRYO TRANSFER HOLDER Nominal Magnification 31000 Calibrated Magnification 31000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details Sample preparation was screened in advance
EM Software Task Software Package Version PARTICLE SELECTION EMAN2 2 IMAGE ACQUISITION Leginon CTF CORRECTION CTFFIND 4 MODEL FITTING Coot INITIAL EULER ASSIGNMENT IMAGIC 5 FINAL EULER ASSIGNMENT IMAGIC 5 CLASSIFICATION IMAGIC 5 RECONSTRUCTION IMAGIC 5 MODEL REFINEMENT Coot
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING ONLY Software used Imagic 5 200 6000 particles were picked in total