8KAL

Crystal structure of SpyCas9 in complex with sgRNA and 17nt target DNA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP2890.2 M Ammonium sulfate, 0.1 M MES pH 6.0, 12.625% PEG8000
Crystal Properties
Matthews coefficientSolvent content
3.2261.86

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 362.049α = 90
b = 70.956β = 101.524
c = 200.1γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2023-03-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRF BEAMLINE BL18U10.97915SSRFBL18U1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Rpim I (All)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
13.1550.1799.10.18734.58307558.11
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
13.153.2980.54

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE3.1650.171.9956627279665.560.25260.25080.288459.6
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d22.9939
f_angle_d1.5567
f_chiral_restr0.1772
f_bond_d0.0117
f_plane_restr0.0061
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms21643
Nucleic Acid Atoms5498
Solvent Atoms63
Heterogen Atoms10

Software

Software
Software NamePurpose
PHENIXrefinement
HKL-3000data scaling
HKL-3000data reduction
Cootmodel building
PHENIXphasing