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Symmetry expansion of dimeric transmembrane anti-sigma factor DdvA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8ROT
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.482 f_angle_d 0.524 f_chiral_restr 0.038 f_plane_restr 0.005 f_bond_d 0.003
Sample DdvA in complex with DdvS
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 979940 Reported Resolution (Å) 2.94 Resolution Method FSC 0.143 CUT-OFF Other Details Symmetry expanded from a C2 model Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (8ROT) Refinement Space REAL Refinement Protocol 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) 60.033
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 8000 Maximum Defocus (nm) 20000 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 134788 Source LAB6 Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.1 IMAGE ACQUISITION EPU 3.4.0.5704REL CTF CORRECTION cryoSPARC 4.1 INITIAL EULER ASSIGNMENT cryoSPARC 4.1 FINAL EULER ASSIGNMENT cryoSPARC 4.1 CLASSIFICATION cryoSPARC 4.1 RECONSTRUCTION cryoSPARC 4.1 MODEL REFINEMENT PHENIX 1.21
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2674718