7YOJ

Structure of CasPi with guide RNA and target DNA

ELECTRON MICROSCOPY

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Refinement

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	19.184
f_angle_d	1.187
f_chiral_restr	0.046
f_bond_d	0.009
f_plane_restr	0.008

Sample
CasPi

Specimen Preparation
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	39500
Reported Resolution (Å)	3.36
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Number of Particles	39500
Reported Resolution (Å)	3.36
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1
Refinement Space	REAL
Refinement Protocol	BACKBONE TRACE
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)	50

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	1000
Maximum Defocus (nm)	1500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	0.01
Imaging Mode	BRIGHT FIELD
Specimen Holder Model	FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification	81000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING ONLY
PHASE FLIPPING ONLY