☰ Navigation Tabs
Cryo-EM structure of the TRPM8 ion channel with low occupancy icilin, PI(4,5)P2, and calcium
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6BPQ
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.299 f_angle_d 0.824 f_chiral_restr 0.049 f_bond_d 0.006 f_plane_restr 0.006
Sample Transient receptor potential melastatin member 8
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 8700 Reported Resolution (Å) 4.3 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C4
Map-Model Fitting and Refinement Id 1 (6BPQ) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value 112 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 42
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1250 Maximum Defocus (nm) 3000 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 75000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.0 IMAGE ACQUISITION EPU CTF CORRECTION RELION 3.0 CTF CORRECTION Gctf 1.18 MODEL FITTING Coot 0.8.8 INITIAL EULER ASSIGNMENT RELION 3.0 FINAL EULER ASSIGNMENT RELION 3.0 RECONSTRUCTION RELION 3.0 MODEL REFINEMENT PHENIX 1.12-2829
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1115545