9NZS | pdb_00009nzs

Cryo-EM structure of OsCas12f-gRNA-DNA ternary complex. State III


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d25.178
f_angle_d1.249
f_chiral_restr0.079
f_plane_restr0.011
f_bond_d0.007
Sample
Ternary complex of OsCas12f-gRNA-DNA complex. State III
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles42153
Reported Resolution (Å)3.68
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)49
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS GLACIOS
Minimum Defocus (nm)1500
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL REFINEMENTPHENIX1.20.1_4487
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION