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The homing endonuclease I-SceI bound to its DNA recognition region
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.7 277 PEG400, sodium acetate, calcium chloride, postassium chloride, pH 4.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.45 49.71
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 80.6 α = 90 b = 90.7 β = 90 c = 115.3 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 200 CCD 2001-03-19 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 1.0 APS 19-ID
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 2.25 25 91.7 0.055 18.1 3.6 36883 35.6
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) 2.25 2.33 91.7 0.055 18.1 3.6 36883
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) 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 MAD THROUGHOUT 2.25 24.35 36759 1717 90.2 0.235 0.235 0.2333 0.267 0.265 RANDOM 41.6
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] -5.88 5.84 0.04
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.4 c_scangle_it 3.09 c_scbond_it 2.11 c_mcangle_it 2.09 c_angle_deg 1.8 c_mcbond_it 1.28 c_improper_angle_d 1.13 c_bond_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3708 Nucleic Acid Atoms 1968 Solvent Atoms 201 Heterogen Atoms 6
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction SCALEPACK data scaling SHARP phasing