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Viral protein DP71L in complex with phosphorylated eIF2alpha (NTD) and protein phosphatase 1A (D64A), stabilized by G-actin/DNAseI
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold
Refinement RMS Deviations Key Refinement Restraint Deviation s_angle_nonh_d 1.66865284 s_bond_nonh_d 0.00780020212
Sample PP1A holo-phosphatase complex with viral protein DP71L, G-actin, DNAseI, and substrate phospho-eIF2alpha (2-187)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 3.5 uL volume, -5 blot force, 1.5 blot time
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 309745 Reported Resolution (Å) 3.03 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol 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) 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 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.6.0 IMAGE ACQUISITION EPU 3.6.0 CTF CORRECTION cryoSPARC 4.6.0 MODEL FITTING UCSF ChimeraX 1.7 MODEL FITTING ISOLDE 1.7 MODEL REFINEMENT ISOLDE 1.7 MODEL REFINEMENT Servalcat 0.4.99 INITIAL EULER ASSIGNMENT cryoSPARC 4.6.0 FINAL EULER ASSIGNMENT cryoSPARC 4.6.0 CLASSIFICATION cryoSPARC 4.6.0 RECONSTRUCTION cryoSPARC 4.6.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1315944