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Structure of the cold- and menthol-sensing ion channel TRPM8
Sample Transient receptor potential cation channel subfamily M member 8 (TRPM8)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument HOMEMADE PLUNGER Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 19740 Reported Resolution (Å) 4.1 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 RIGID BODY FIT Refinement Target Overall B Value 96 Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 56
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1200 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 22500 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION FindEM IMAGE ACQUISITION Leginon 3.2 CTF CORRECTION CTFFIND 4 CTF CORRECTION RELION 2.1b1 MODEL FITTING Coot 0.8.8 INITIAL EULER ASSIGNMENT RELION 2.1b1 FINAL EULER ASSIGNMENT RELION 2.1b1 RECONSTRUCTION RELION 2.1b1 MODEL REFINEMENT PHENIX 1.12-2829-000 MODEL REFINEMENT Coot 0.8.8
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 3142841