7QST

Crystal structure of homing endonuclease-associated PhoVMA intein (C1A)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8298100 mM HEPES pH 8.0, 5 mM cadmium chloride, 5 mM magnesium chloride, 5 mM nickel (II) chloride, 10% (w/v) polyethylene glycol (PEG) 3350
Crystal Properties
Matthews coefficientSolvent content
2.7354.96

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 91.08α = 90
b = 81.87β = 112.85
c = 67.69γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-F2017-09-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I040.9795DiamondI04

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)CC (Half)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
12.4943.5499.40.7140.99917.286.41619165.34
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.492.640.874

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation 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 REPLACEMENTFREE R-VALUE2cw72.4943.511.381617881099.780.18610.18320.242981.84
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_d11.3461
f_angle_d0.9546
f_chiral_restr0.0559
f_bond_d0.0086
f_plane_restr0.0055
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2806
Nucleic Acid Atoms
Solvent Atoms15
Heterogen Atoms5

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XDSdata scaling
Auto-Rickshawphasing