4UN5

Crystal structure of Cas9 bound to PAM-containing DNA target containing mismatches at positions 1-3


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4UN3PDB ENTRY 4UN3

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18.50.1 M TRIS-ACETATE PH 8.5, 0.3 M KSCN, 15% PEG (W/V) 3350
Crystal Properties
Matthews coefficientSolvent content
2.6854.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 180.182α = 90
b = 68.072β = 111.37
c = 190.261γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS2014-05-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06DASLSX06DA

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
12.448.3599.90.0915.36.61640182
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.42.491000.3746.7

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (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 REPLACEMENTPDB ENTRY 4UN32.448.3491.0884384821299.650.21650.21490.2465
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_d16.395
f_angle_d0.686
f_chiral_restr0.048
f_bond_d0.011
f_plane_restr0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10716
Nucleic Acid Atoms2447
Solvent Atoms772
Heterogen Atoms8

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
SCALAdata scaling
PHASERphasing