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Closed dimer of human ATM (Ataxia telangiectasia mutated)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4JSP
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 7.286 f_angle_d 1.479 f_chiral_restr 0.049 f_bond_d 0.024 f_plane_restr 0.011
Sample Dimeric human ATM (Ataxia telangiectasia mutated) kinase
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument HOMEMADE PLUNGER Cryogen Name ETHANE Sample Vitrification Details 3 uL of sample/grid blotted for 12 s
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 25315 Reported Resolution (Å) 5.7 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (4JSP) Refinement Space REAL Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 2.1
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 2500 Maximum Defocus (nm) 4000 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 97902 Calibrated Magnification 35714 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Gautomatch v0.5 IMAGE ACQUISITION UCSFImage 4 CTF CORRECTION Gctf v0.5 MODEL FITTING Coot 0.8.1 MODEL REFINEMENT PHENIX 1.10.1_2155 INITIAL EULER ASSIGNMENT RELION 1.4 FINAL EULER ASSIGNMENT RELION 1.4 CLASSIFICATION RELION 1.4 RECONSTRUCTION RELION 1.4
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING ONLY 371671