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SsoMCM hexamer bound to Mg/ADP-BeFx and 46-mer DNA strand. Class 1.
Specimen Preparation
Sample Aggregation State
PARTICLE
Vitrification Instrument
Cryogen Name
ETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction Method
SINGLE PARTICLE
Number of Particles
832313
Reported Resolution (Å)
2.45
Resolution Method
FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type
POINT
Point Symmetry
C1
Map-Model Fitting and Refinement
Id
1 (6MII)
Refinement Space
Refinement Protocol
OTHER
Refinement Target
Overall B Value
Fitting Procedure
Details
Bond distance and angle restraints for a tetrahedral Zn2+ coordination were applied.
Bond distance and angle restraints for a octahedral Mg2+ coordina ...
Bond distance and angle restraints for a tetrahedral Zn2+ coordination were applied.
Bond distance and angle restraints for a octahedral Mg2+ coordination were applied.
Data Acquisition
Detector Type
GATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)
78
Imaging Experiment
1
Date of Experiment
Temperature (Kelvin)
Microscope Model
FEI TITAN 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
Nominal Magnification
Calibrated Magnification
Source
FIELD EMISSION GUN
Acceleration Voltage (kV)
300
Imaging Details
EM Software
Task
Software Package
Version
PARTICLE SELECTION
cryoSPARC
2.14.2
IMAGE ACQUISITION
SerialEM
CTF CORRECTION
cryoSPARC
2.14.2
MODEL FITTING
PHENIX
1.20.1_4487
INITIAL EULER ASSIGNMENT
cryoSPARC
2.14.2
FINAL EULER ASSIGNMENT
cryoSPARC
3.31
CLASSIFICATION
cryoSPARC
3.31
RECONSTRUCTION
cryoSPARC
3.31
MODEL REFINEMENT
PHENIX
1.20.1_4487
Image Processing
CTF Correction Type
CTF Correction Details
Number of Particles Selected
Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION
Initial CTF was calculated by cryoSPARC Patch CTF.
CTF parameters were refined during final homogeneous refinement in cryoSPARC.
Particles were selected from a subset of micrographs with cryoSPARC blob picker. 2D class averages were calculated, selected and used as templates with cryoSPARC template picker.