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Spermine-blocked open-state cryo-EM structure of human TRPV6 channel in cNW30 nanodiscs
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7S89
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.607 f_angle_d 1.297 f_chiral_restr 0.078 f_bond_d 0.008 f_plane_restr 0.008
Sample spermine-blocked open-state homotetrameric human TRPV6
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 14018 Reported Resolution (Å) 3.48 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (7S89) Refinement Space REAL Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 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 PARTICLE SELECTION cryoSPARC 3.3 IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC 3.3 MODEL FITTING Coot INITIAL EULER ASSIGNMENT cryoSPARC 3.3 CLASSIFICATION cryoSPARC 3.3 RECONSTRUCTION cryoSPARC 3.3 MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE 2191044