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Magnesium transporter MgtA dimer from E. coli in 5 mM MgCl2 and 5 mM ATP
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details other Other
Sample Magnesium transporter MgtA from Escherichia coli in the dimeric form in the presence of 5 mM MgCl2 and 5 mM ATP
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 48080 Reported Resolution (Å) 3.72 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 2 3 Refinement Space REAL REAL REAL Refinement Protocol RIGID BODY FIT FLEXIBLE FIT FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 1800 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 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cisTEM IMAGE ACQUISITION SerialEM 3.8-11 CTF CORRECTION cisTEM MODEL FITTING UCSF Chimera 8.6.10 CTF CORRECTION cryoSPARC INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC MODEL FITTING Coot 0.9.8.7 MODEL REFINEMENT Coot 0.9.8.7 MODEL FITTING PHENIX 1.20.1-4487 MODEL REFINEMENT PHENIX 1.20.1-4487
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2339956