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Locally-refined structure of alpha2a adrenergic receptor in complex with Go heterotrimer, scFv16, and N-(5-methylnaphthalen-1-yl)pyridin-4-amine (compound 4905)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7EJ8
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.315 f_angle_d 0.811 f_chiral_restr 0.044 f_plane_restr 0.005 f_bond_d 0.004
Sample Alpha2a adrenergic receptor in complex with Go heterotrimer, scFv16, and compound 4905.
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 323827 Reported Resolution (Å) 2.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (7EJ8) Refinement Space Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value 110.6 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 0.596
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1500 Maximum Defocus (nm) 3000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC MODEL REFINEMENT PHENIX 2.0_5936 CTF CORRECTION cryoSPARC INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 6609807