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Crystal structure of restriction endonuclease EcoRII mutant R88A
Crystallization Crystal Properties Matthews coefficient Solvent content 2.5 51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 58.746 α = 90 b = 92.36 β = 108.08 c = 88.308 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 93 CCD CUSTOM-MADE 2002-04-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-BM 1.0088 APS 19-BM
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 2.1 50 100 0.053 11.5 5 50590 50590 19.6
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) 2.1 2.18 100 0.387 3.8 5 5178
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION SIRAS THROUGHOUT 2.1 20 1 2 50590 46788 2346 92.5 0.246 0.236 0.23 0.284 Random 44.3
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] 1.37 1.5 -1.23 -0.14
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.5 c_scangle_it 3.02 c_mcangle_it 2.39 c_scbond_it 2.08 c_mcbond_it 1.49 c_angle_deg 1.2 c_improper_angle_d 0.72 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6029 Nucleic Acid Atoms Solvent Atoms 252 Heterogen Atoms
Software Software Software Name Purpose HKL-2000 data collection SCALEPACK data scaling ISIRAS model building CNS refinement HKL-2000 data reduction ISIRAS phasing