ELECTRON MICROSCOPY

Sample

H. sapiens MCM bound to double stranded DNA and ORC1-6

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 182341
Reported Resolution (Å) 3.6
Resolution Method FSC 0.143 CUT-OFF
Other Details The here represented map is a composite map of the consensus refinement and the locally refined map encompassing the ORC1-5 complex.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space ?
Refinement Protocol ?
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details The models of MCM2-7-ORC6 and ORC1-5 that were refined against the consensus refinement of the MCM-ORC complex and the locally refined ORC1-5, respectively, were fitted into the composite map using rigid body docking.
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 49.28
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 2500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS ?
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 130000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION Topaz 0.2.4
IMAGE ACQUISITION EPU ?
CTF CORRECTION CTFFIND 4.1.10
CTF CORRECTION RELION 4.0b-GPU
CTF CORRECTION cryoSPARC 3.3.2
MODEL FITTING UCSF ChimeraX 1.6.1
INITIAL EULER ASSIGNMENT cryoSPARC 3.3.2
FINAL EULER ASSIGNMENT cryoSPARC 3.3.2
RECONSTRUCTION cryoSPARC 3.3.2
MODEL REFINEMENT PHENIX 1.21_5207
MODEL REFINEMENT ISOLDE ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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