4ID6

Crystal Structure of Staphylococcal nuclease mutant V23I/I72L


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1EY0PBD ENTRY 1EY0

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