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Cryo-EM structure of Human excitatory amino acid transporters-1 (EAAT1) in potassium buffer
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 21.227 f_angle_d 0.644 f_chiral_restr 0.041 f_plane_restr 0.004 f_bond_d 0.002
Sample Human excitatory amino acid transporter 1
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Grids were blotted for 4 Sec
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 34433 Reported Resolution (Å) 3.99 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C3
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details For model building, the scaD and tranD of Rb+/Ba2+ bound X-ray structure were fitted into the EM map as separate rigid-bodies using Chimera.
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 42.3
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN 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 IMAGE ACQUISITION SerialEM CTF CORRECTION Gctf MODEL FITTING UCSF Chimera 1.13.1 MODEL FITTING Coot 0.8.9.2 INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC MODEL REFINEMENT PHENIX 1.18.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION Gctf 2298481