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Mobile loops and electrostatic interactions maintain the flexible lambda tail tube
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2K4Q experimental model PDB 2L04
Sample tail tube of the lambda phage
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK II Cryogen Name ETHANE-PROPANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 5543 Reported Resolution (Å) 5.4 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C6 Axial Rise 42.8 Angular Rotation 17.5
Map-Model Fitting and Refinement Id 1 (2K4Q, 2L04) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value 200 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON II (4k x 4k) Electron Dose (electrons/Å**2) 20
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI POLARA 300 Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION EMAN2 IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND MODEL FITTING UCSF Chimera MODEL REFINEMENT PHENIX MODEL REFINEMENT MDFF INITIAL EULER ASSIGNMENT RELION 2 FINAL EULER ASSIGNMENT RELION 2 RECONSTRUCTION RELION
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 7934