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Structure of the Complement classical and lectin pathway C3 convertase in complex with substrate C3
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5JTW experimental model PDB 2I6Q experimental model PDB 7B2Q experimental model PDB 2A73
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.637 f_angle_d 0.551 f_chiral_restr 0.043 f_plane_restr 0.004 f_bond_d 0.003
Sample Classical and lectin pathway C3 convertase in complex with substrate C3
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 177801 Reported Resolution (Å) 3.5 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (5JTW, 5JTW, 5JTW, 2ODP, 7B2Q, 2A73, 2A73) Refinement Space REAL Refinement Protocol FLEXIBLE FIT 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 TFS TALOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2600 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC v4.2.0/4 IMAGE ACQUISITION EPU 2.10.0 CTF CORRECTION cryoSPARC v4.2.0/4 MODEL FITTING UCSF ChimeraX 1.7 INITIAL EULER ASSIGNMENT cryoSPARC v4.2.0/4 FINAL EULER ASSIGNMENT cryoSPARC v4.2.0/4 CLASSIFICATION cryoSPARC v4.2.0/4 RECONSTRUCTION cryoSPARC v4.2.0/4 MODEL REFINEMENT PHENIX 2.21.1 MODEL REFINEMENT Coot 0.9.8.94
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE