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human MutSalpha (MSH2/MSH6) binding to DNA with a GT mismatch
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2O8B
Sample MutSalpha on mismatched DNA Sample Components MSH2 MSH6 DNA containing a G/T mismatch
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 3 s blotting with blot force 10
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 289289 Reported Resolution (Å) 2.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (2O8B) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details PDB-REDO webserver: https://pdb-redo.eu/
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 900 Maximum Defocus (nm) 2400 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 collected on Krios 1 at Netherlands Center for Electron Nanoscopy (NeCEN)
EM Software Task Software Package Version IMAGE ACQUISITION EPU 2.10.0 CTF CORRECTION RELION 4.0 MODEL FITTING UCSF ChimeraX INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT RELION 4.0 CLASSIFICATION RELION 4.0 RECONSTRUCTION RELION 4.0 MODEL REFINEMENT PHENIX 1.20.1 MODEL REFINEMENT Coot 0.9.7
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 5412220