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Cryo-EM structure of the c-di-GMP-free synthase:pEtN transferase complex (BcsA-Bct-G3) from the E. coli cellulose secretion macrocomplex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model Other ColabFold
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.087 f_angle_d 0.619 f_chiral_restr 0.043 f_plane_restr 0.006 f_bond_d 0.004
Sample Locally refined c-di-GMP-free synthase:pEtN-transferase complex from the E. coli cellulose secretion system
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 314979 Reported Resolution (Å) 3.43 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 49.35
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 300 Maximum Defocus (nm) 2100 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 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 PARTICLE SELECTION cryoSPARC v4 CTF CORRECTION cryoSPARC 4 MODEL FITTING Coot MODEL FITTING PHENIX INITIAL EULER ASSIGNMENT cryoSPARC V4 FINAL EULER ASSIGNMENT cryoSPARC v4 CLASSIFICATION cryoSPARC v4 RECONSTRUCTION cryoSPARC v4 MODEL REFINEMENT PHENIX MODEL REFINEMENT Coot
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION cryoSPARC V.4 1359795