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Single particle cryo-EM of the P140-P110 heterodimer of Mycoplasma genitalium at 3.3 Angstrom resolution.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6RUT experimental model PDB 6R3T
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.8019 f_angle_d 0.5432 f_chiral_restr 0.0424 f_bond_d 0.0046 f_plane_restr 0.0039
Sample P140-P110 Heterodimer Sample Components Mgp-operon protein 3 Adhesin P1
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 149542 Reported Resolution (Å) 3.3 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6RUT, 6R3T) Refinement Space REAL 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) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 4000 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 130000 Calibrated Magnification 130000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 3.3.2 CTF CORRECTION cryoSPARC 3.3.2 MODEL FITTING Coot MODEL REFINEMENT PHENIX INITIAL EULER ASSIGNMENT cryoSPARC 3.3.2 FINAL EULER ASSIGNMENT cryoSPARC 3.3.2 CLASSIFICATION cryoSPARC 3.3.2 RECONSTRUCTION cryoSPARC 3.3.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION