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Crystal Structure of the PvuII endonuclease with Pr3+ and SO4 ions bound in the active site at 2.05A.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1PVU PDB entry 1PVU
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 5 291 Ammonium Sulfate, Ammonium Acetate, pH 5.0, VAPOR DIFFUSION, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.88 57.23
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 84.74 α = 90 b = 105.63 β = 90 c = 46.9 γ = 90
Symmetry Space Group P 21 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 277 IMAGE PLATE MARRESEARCH monochromator 1995-08-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ELETTRA BEAMLINE 5.2R 1.0 ELETTRA 5.2R
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 2.05 21.43 89.3 0.089 7.2 4.4 24251 24251 26.71
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.05 2.11 92.3 0.657 1 4.3 1894
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB entry 1PVU 2.05 21.43 2 26171 21465 2176 79.1 0.19 0.236 RANDOM 34.8
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] 4.85 -1.25 -3.6
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.2 c_scangle_it 3.58 c_mcangle_it 2.59 c_scbond_it 2.29 c_mcbond_it 1.56 c_angle_deg 1.3 c_improper_angle_d 0.76 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2521 Nucleic Acid Atoms Solvent Atoms 189 Heterogen Atoms 12
Software Software Software Name Purpose CNS refinement SCALA data scaling XTALVIEW refinement MOSFLM data reduction CCP4 data scaling