ELECTRON MICROSCOPY

Sample

complex of Mfd bound to dsDNA in the presence of transition state analog ADP-AlFx

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details 2.5ul Mfd-DNA complex at 1.0 mg/mL was applied to UltrAuFoil R1.2/1.3 300 mesh grids (Quantifoil) that were previously plasma-cleaned using a Gatan Solarus (75% argon/25% oxygen atmosphere, 15 W for 7s), then manually blotted with a Whatman No. 1 filter paper in a cold room with >80% humidity, and plunged into liquid ethane using a manual plunger
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 9822
Reported Resolution (Å) 5.5
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target Correlation coefficient
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 24
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TALOS ARCTICA
Minimum Defocus (nm) 1.9
Maximum Defocus (nm) 3.5
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 36000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION Warp ?
IMAGE ACQUISITION Leginon ?
CTF CORRECTION MotionCorr2 ?
MODEL FITTING PHENIX 1.15.2_3472
INITIAL EULER ASSIGNMENT RELION ?
FINAL EULER ASSIGNMENT cisTEM ?
RECONSTRUCTION cisTEM ?
MODEL REFINEMENT PHENIX 1.15.2_3472
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?