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INTRON-ENCODED ENDONUCLEASE I-PPOI COMPLEXED WITH DNA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.6 THE CRYSTALS WERE GROWN FROM A 2:1 MOLAR RATIO SOLUTION OF PROTEIN AND DNA SUPPLEMENTED WITH 2.5 MM EDTA AND 5 MM SPERMINE. THE COMPLEX WAS CRYSTALLIZED FROM 21 - 27% PEG 4000, 0.1 M CITRATE, PH 5.4 - 5.8, 20 MM NACL, 2 MM EDTA., pH 5.6, VAPOR DIFFUSION, HANGING DROP
Crystal Properties Matthews coefficient Solvent content 3.4 60
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 113.7 α = 90 b = 113.7 β = 90 c = 88.4 γ = 120
Symmetry Space Group P 31 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC NONE 1997-12-15 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 ALS 5.0.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1.8 50 99.8 0.049 0.049 19.1 5.04 362336 2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.8 1.9 99.7 0.12 0.12 4.9 4.97
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MULTIPLE ISOMORPHOUS REPLACEMENT THROUGHOUT 1.8 50 2 71629 3581 99.4 0.208 0.208 0.297 RANDOM 32.5
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 x_dihedral_angle_d 27.2 x_improper_angle_d 1.7 x_angle_deg 1.3 x_bond_d 0.01 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 27.2 x_improper_angle_d 1.7 x_angle_deg 1.3 x_bond_d 0.01 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot x_mcbond_it x_mcangle_it x_scbond_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2490 Nucleic Acid Atoms 856 Solvent Atoms 391 Heterogen Atoms 6
Software Software Software Name Purpose CCP4 model building X-PLOR refinement MOSFLM data reduction CCP4 data scaling ROTAVATA data scaling CCP4 phasing