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Cryo-EM structure of a eukaryotic ZnT8 in the presence of zinc
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6XPE
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 3.3349 f_angle_d 0.4239 f_chiral_restr 0.036 f_bond_d 0.002 f_plane_restr 0.0016
Sample xtZnT8 dimer complexed with zinc
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot for 2-3 s before plunging
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 233408 Reported Resolution (Å) 3.85 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 (6XPE) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 50.1
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) -1000 Maximum Defocus (nm) -1700 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.1 MODEL FITTING Coot 0.9.3 INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 CLASSIFICATION RELION 3.1 RECONSTRUCTION cryoSPARC 3.2 MODEL REFINEMENT PHENIX 1.19.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 928822