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Structure of the E. coli clamp loader bound to the beta clamp in a Closed-DNA2 conformation
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3GLF experimental model PDB 2POL
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.8943 f_angle_d 0.7166 f_chiral_restr 0.041 f_bond_d 0.0046 f_plane_restr 0.004
Sample Structure of the E. coli clamp loader bound to the beta clamp in an Closed-DNA2 conformation
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 30149 Reported Resolution (Å) 3.9 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (3GLF, 2POL) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 49.65
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS TALOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2400 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC CTF CORRECTION cryoSPARC MODEL FITTING UCSF ChimeraX MODEL FITTING Coot CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2241835