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GluA4 in complex with TARP-2, resting state, structure of N-terminal domain
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4GPA
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 3.34 f_angle_d 0.395 f_chiral_restr 0.039 f_plane_restr 0.004 f_bond_d 0.002
Sample GluA4 in complex with TARP-2, resting state, structure of N-terminal domain
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 88447 Reported Resolution (Å) 3.5 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (4GPA) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value 74.49 Fitting Procedure Details Four monomers of GluA4 NTD (PDB: 4GPA) were rigid body fitted in Chimera followed by manual modelling in Coot and real space refinement in Phenix.
Data Acquisition Detector Type GATAN K3 BIOCONTINUUM (6k x 4k) Electron Dose (electrons/Å**2) 50
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 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 MODEL REFINEMENT PHENIX 1.19.2_4158:
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION