4ID6

Crystal Structure of Staphylococcal nuclease mutant V23I/I72L


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8277pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.2144.36

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.3α = 90
b = 48.3β = 90
c = 63.9γ = 90
Symmetry
Space GroupP 41

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298CCDRIGAKU SATURN 92mirrors2012-04-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-0071.5418

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
11.89821.6298.10.04810.22.32621111415503
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)
11.8981.9798.10.0481.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPBD ENTRY 1EY01.89821.6114151086554397.860.190120.187610.2415RANDOM40.175
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
r_dihedral_angle_2_deg30.792
r_dihedral_angle_3_deg19.197
r_dihedral_angle_4_deg18.608
r_scangle_it6.609
r_dihedral_angle_1_deg6.232
r_scbond_it4.003
r_mcangle_it2.641
r_angle_refined_deg2.067
r_mcbond_it1.44
r_chiral_restr0.143
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg30.792
r_dihedral_angle_3_deg19.197
r_dihedral_angle_4_deg18.608
r_scangle_it6.609
r_dihedral_angle_1_deg6.232
r_scbond_it4.003
r_mcangle_it2.641
r_angle_refined_deg2.067
r_mcbond_it1.44
r_chiral_restr0.143
r_bond_refined_d0.024
r_gen_planes_refined0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1092
Nucleic Acid Atoms
Solvent Atoms67
Heterogen Atoms

Software

Software
Software NamePurpose
CrystalCleardata collection
CCP4model building
REFMACrefinement
d*TREKdata reduction
d*TREKdata scaling
CCP4phasing