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Cryo-EM structure of S. pombe Arp2/3 complex in the branch junction
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1K8K experimental model PDB 6DJO experimental model PDB 6W17
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.124 f_angle_d 0.642 f_chiral_restr 0.045 f_plane_restr 0.004 f_bond_d 0.003
Sample S. pombe Arp2/3 complex in actin branch junction Sample Components S. pombe Arp2/3 complex in actin branch junction chicken skeletal muscle actin in branch junction
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 79467 Reported Resolution (Å) 3.5 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (1K8K, 6DJO, 6W17) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Correlation coefficient Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 50.07
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1500 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 36657 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION SerialEM 4.0 CTF CORRECTION Gctf 1.06 MODEL FITTING Coot 0.9.8.1 INITIAL EULER ASSIGNMENT RELION 4.0 FINAL EULER ASSIGNMENT RELION 4.0 CLASSIFICATION RELION 4.0 RECONSTRUCTION RELION 4.0 MODEL REFINEMENT PHENIX 1.20.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 131393