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Cryo-EM structure of TRPM2 chanzyme in the presence of Magnesium, Adenosine monophosphate, and Ribose-5-phosphate
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.043 f_angle_d 1.825 f_chiral_restr 0.094 f_bond_d 0.016 f_plane_restr 0.011
Sample TRPM2 chanzyme incubated with Magnesium and ADP-ribose for 4min, ADP-ribose completely hydrolyzed to Adenosine monophosphate, and Ribose-5-phosphate
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 148230 Reported Resolution (Å) 3.03 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C4
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 49
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 900 Maximum Defocus (nm) 1900 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 MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE