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CryoEM structure of PilT4 from Geobacter metallireducens without adding nucleotide: C2oocooc conformation
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6OJX
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE-PROPANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 100786 Reported Resolution (Å) 4.1 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 (6OJX) Refinement Space Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value 38.4 Fitting Procedure Details Initial fitting in chimera, flexible fitting in Phenix-refine
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 42.7
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS 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 CTF CORRECTION cryoSPARC 2 MODEL FITTING UCSF Chimera 8.6.8 INITIAL EULER ASSIGNMENT cryoSPARC 2 FINAL EULER ASSIGNMENT cryoSPARC 2 RECONSTRUCTION cryoSPARC 2 MODEL REFINEMENT PHENIX 1.14
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION