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Cryo-EM structure of the human reduced folate carrier, apo condition
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7XT7
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.204 f_angle_d 0.966 f_chiral_restr 0.048 f_plane_restr 0.005 f_bond_d 0.003
Sample Human reduced folate carrier
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 138522 Reported Resolution (Å) 3.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (7XT7) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value 75 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 1800 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 CTF CORRECTION cryoSPARC 3 CTF CORRECTION CTFFIND 4 MODEL FITTING Coot 0.88 INITIAL EULER ASSIGNMENT cryoSPARC 3 FINAL EULER ASSIGNMENT cryoSPARC 3 RECONSTRUCTION cryoSPARC 3 MODEL REFINEMENT PHENIX 1.13-2998
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2536392