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Cryo-EM structure of P2X3 receptor in complex with ATP:Mg2+
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.244 f_angle_d 0.564 f_chiral_restr 0.053 f_plane_restr 0.004 f_bond_d 0.003
Sample Ternary complex of P2X3 receptor and ATP
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details vitrification
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 44237 Reported Resolution (Å) 3.63 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C3
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details real refinement was done using Phenix
Data Acquisition Detector Type GATAN K3 BIOCONTINUUM (6k x 4k) Electron Dose (electrons/Å**2) 56.8
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 700 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 0.1 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 MODEL REFINEMENT PHENIX 1.20.1_4487:
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 87363