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The Cyro-EM Structure of human SLC26A3 with specific inhibitor DRAinh-A250
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold AF-P40879
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 7.647 f_angle_d 0.56 f_chiral_restr 0.041 f_bond_d 0.003 f_plane_restr 0.003
Sample The Cyo-EM structure of human SLC26A3 transporter with inhibitor DRAinh-A250
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot with filter paper for 3-4 seconds before plunging.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 218752 Reported Resolution (Å) 3.78 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 50.8
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2500 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 81000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Gautomatch v0.56 IMAGE ACQUISITION EPU 2.10.0 CTF CORRECTION Gctf v1.18 MODEL FITTING UCSF Chimera MODEL REFINEMENT PHENIX MODEL REFINEMENT Coot INITIAL EULER ASSIGNMENT cryoSPARC v3.0.1 INITIAL EULER ASSIGNMENT cryoSPARC v2.15.0 FINAL EULER ASSIGNMENT cryoSPARC v3.0.1 FINAL EULER ASSIGNMENT cryoSPARC v2.15.0 RECONSTRUCTION cryoSPARC v3.0.1 RECONSTRUCTION cryoSPARC v2.15.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION