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CryoEM structure of the helical assembly of full length MxB
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4WHJ
Sample helical assembly of MBP fusion of MxB
Specimen Preparation Sample Aggregation State HELICAL ARRAY Vitrification Instrument HOMEMADE PLUNGER Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 44955 Reported Resolution (Å) 4.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 8.25 Angular Rotation 58.4
Map-Model Fitting and Refinement Id 1 (4WHJ) 2 (4WHJ) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON II (4k x 4k) Electron Dose (electrons/Å**2) 40
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 2.2 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 93000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION EMAN 2.0 IMAGE ACQUISITION SerialEM CTF CORRECTION Gctf 0.5 MODEL FITTING MDFF 2.1 MODEL REFINEMENT MDFF 3.0 CLASSIFICATION RELION 2.0 beta RECONSTRUCTION RELION 2.0 beta MODEL FITTING NAMD MODEL FITTING Rosetta
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 51553