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Cryo-EM Structure of human complement C1s CUB domain in complex with RAY121
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4LMF in silico model Other
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.3108 f_angle_d 0.6515 f_chiral_restr 0.0473 f_plane_restr 0.0051 f_bond_d 0.0033
Sample human complement C1s CUB domain in complex with RAY121
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 1101481 Reported Resolution (Å) 2.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (4LMF) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1500 Maximum Defocus (nm) 2000 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) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.5 CTF CORRECTION cryoSPARC 4.5 MODEL REFINEMENT PHENIX 1.21.2_5419 INITIAL EULER ASSIGNMENT cryoSPARC 4.5 FINAL EULER ASSIGNMENT cryoSPARC 4.5 CLASSIFICATION cryoSPARC 4.5 RECONSTRUCTION cryoSPARC 4.5
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION