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Cryo-EM structure of alphaM I-domain:C3d-anti-CR3-Nb complex focused refinement from the alphaM/beta2:C3d-anti-CR3-Nb headpiece complex
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.102 f_angle_d 1.286 f_chiral_restr 0.059 f_bond_d 0.008 f_plane_restr 0.007
Sample alphaM I-domain:C3d-anti-CR3-Nb complex
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 0.02 % w/v CHAPS added to sample just before vitrification
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 184079 Reported Resolution (Å) 3.94 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 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) 60.1
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2000 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 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC IMAGE ACQUISITION EPU MODEL REFINEMENT PHENIX 1.21.2_5419 RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION