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Molecular basis for the ATPase-powered substrate translocation by the Lon AAA+ protease
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4YPL
Sample Meiothermus taiwanensis LonA (MtaLonA) in a substrate-engaged state Sample Components Lon protease Ig2 substrate
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 23487 Reported Resolution (Å) 3.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (4YPL) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 8.5
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 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION EMAN2 2.3 IMAGE ACQUISITION EPU 2 CTF CORRECTION CTFFIND 4.13 MODEL FITTING UCSF Chimera 1.13.1 CLASSIFICATION RELION 3.0.2 RECONSTRUCTION RELION 3.0.2 MODEL REFINEMENT PHENIX 1.18
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION