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Crystal Structure of Staphylococcal nuclease mutant V23I/I72L
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1EY0 PBD ENTRY 1EY0
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 277 pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.21 44.36
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 48.3 α = 90 b = 48.3 β = 90 c = 63.9 γ = 90
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 298 CCD RIGAKU SATURN 92 mirrors 2012-04-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 1.898 21.62 98.1 0.048 10.2 2.3 26211 11415 50 3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.898 1.97 98.1 0.048 1.3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PBD ENTRY 1EY0 1.898 21.6 11415 10865 543 97.86 0.19012 0.18761 0.1871 0.2415 0.2414 RANDOM 40.175
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 Key Refinement Restraint Deviation r_dihedral_angle_2_deg 30.792 r_dihedral_angle_3_deg 19.197 r_dihedral_angle_4_deg 18.608 r_scangle_it 6.609 r_dihedral_angle_1_deg 6.232 r_scbond_it 4.003 r_mcangle_it 2.641 r_angle_refined_deg 2.067 r_mcbond_it 1.44 r_chiral_restr 0.143
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 30.792 r_dihedral_angle_3_deg 19.197 r_dihedral_angle_4_deg 18.608 r_scangle_it 6.609 r_dihedral_angle_1_deg 6.232 r_scbond_it 4.003 r_mcangle_it 2.641 r_angle_refined_deg 2.067 r_mcbond_it 1.44 r_chiral_restr 0.143 r_bond_refined_d 0.024 r_gen_planes_refined 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1092 Nucleic Acid Atoms Solvent Atoms 67 Heterogen Atoms
Software Software Software Name Purpose CrystalClear data collection CCP4 model building REFMAC refinement d*TREK data reduction d*TREK data scaling CCP4 phasing