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BACTERIOPHAGE SPP1 PROCAPSID-I PROTEIN
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4AN5
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 4558 Reported Resolution (Å) 4.5 Resolution Method FSC 0.5 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry I
Map-Model Fitting and Refinement Id 1 (4AN5) 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) 900 Maximum Defocus (nm) 2500 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 39000 Calibrated Magnification 39000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION EMAN2 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 Assessment of the contrast transfer function of the microscope was done using CTFFIND4 6078