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Cryo-EM structure of yeast CMG helicase stalled at G4-containing DNA template, state 2
ELECTRON MICROSCOPY
Starting Model(s)
Initial Refinement Model(s)
Type
Source
Accession Code
Details
in silico model
Other
Sample
Yeast CMG-CTM G4 stall state 2
Specimen Preparation
Sample Aggregation State
PARTICLE
Vitrification Instrument
FEI VITROBOT MARK IV
Cryogen Name
ETHANE
Sample Vitrification Details
Wait time 30 seconds after sample application; blot time 30 seconds with blot force 0
3D Reconstruction
Reconstruction Method
SINGLE PARTICLE
Number of Particles
40714
Reported Resolution (Å)
3.5
Resolution Method
FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type
POINT
Point Symmetry
C1
Map-Model Fitting and Refinement
Id
1
Refinement Space
REAL
Refinement Protocol
AB INITIO MODEL
Refinement Target
Overall B Value
82.32
Fitting Procedure
Details
Initial fitting was performed de novo by ModelAngelo, then iteratively improved with ChimeraX/ISOLDE, Coot, and Phenix real-space refinement algorithm ...
Initial fitting was performed de novo by ModelAngelo, then iteratively improved with ChimeraX/ISOLDE, Coot, and Phenix real-space refinement algorithms.