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The eukaryotic translation initiation factor 2B from Homo sapiens with a L179V mutation in the delta subunit bound to ISRIB
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7L7G
Refinement RMS Deviations Key Refinement Restraint Deviation s_dihedral_angle_6_deg 14.8932 s_dihedral_angle_3_deg 11.4636 s_dihedral_angle_1_deg 7.1369 s_dihedral_angle_2_deg 4.0278 s_angle_nonh_deg 1.8009 s_nbtor 0.2304 s_nbd 0.2144 s_hbond_nbd 0.1187 s_chiral_restr 0.0792 s_bond_nonh_d 0.0098
RMS Deviations Key Refinement Restraint Deviation s_dihedral_angle_6_deg 14.8932 s_dihedral_angle_3_deg 11.4636 s_dihedral_angle_1_deg 7.1369 s_dihedral_angle_2_deg 4.0278 s_angle_nonh_deg 1.8009 s_nbtor 0.2304 s_nbd 0.2144 s_hbond_nbd 0.1187 s_chiral_restr 0.0792 s_bond_nonh_d 0.0098 s_planes 0.0073
Sample Eukaryotic translation initiation factor 2-B with an L179V point mutation in the delta subunit bound to ISRIB
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 257188 Reported Resolution (Å) 2.1 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (7L7G) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type TFS FALCON 4i (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 1600 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 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.7.0 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 4.7.0 MODEL FITTING ISOLDE 1.10 INITIAL EULER ASSIGNMENT cryoSPARC 4.7.0 FINAL EULER ASSIGNMENT cryoSPARC 4.7.0 CLASSIFICATION cryoSPARC 4.7.0 RECONSTRUCTION cryoSPARC 4.7.0 MODEL REFINEMENT Servalcat 0.4.128
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1411935