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Cerebellar GluA2/4 NTD heterophilic tetramer interface (focused refinement)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 9B68 in silico model AlphaFold AF-I3L8N9-F1
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 3.851 f_angle_d 0.567 f_chiral_restr 0.041 f_plane_restr 0.005 f_bond_d 0.002
Sample GluA2/4 NTD heterophilic tetramer interface (focused refinement)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 30603 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 (9B68) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1200 Maximum Defocus (nm) 2400 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 4.6.0 PARTICLE SELECTION RELION 5.0 MODEL FITTING UCSF ChimeraX MODEL REFINEMENT PHENIX MODEL REFINEMENT Coot MODEL REFINEMENT REFMAC RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION