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Structural studies of human serum albumin using cryo-EM up to 0.38 nm resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4G03
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.83 f_angle_d 1.093 f_chiral_restr 0.0651 f_plane_restr 0.0078 f_bond_d 0.0054
Sample Monomer of human serum albumin
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 185569 Reported Resolution (Å) 3.77 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (4G03) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 900 Maximum Defocus (nm) 1500 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 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC IMAGE ACQUISITION EPU 2.10.0.1941REL CTF CORRECTION cryoSPARC MODEL FITTING iMODFIT 1.51 MODEL FITTING UCSF ChimeraX 1.15 MODEL REFINEMENT PHENIX 1.20.1 INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC CLASSIFICATION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1663068 from template picker with templates generated from 49615 particles picked by blob picker on 200 micrographs