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XPRTASE FROM E. COLI WITH BOUND CPRPP AND XANTHINE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1NUL
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 9 XPRT WAS CRYSTALLISED FROM 15 - 20% PEG 4000, 0.1 M AMMONIUM SULPHATE IN 0.1 M BORATE, PH 9., pH 9.0
Crystal Properties Matthews coefficient Solvent content 2.15 43
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 94.2 α = 90 b = 94.2 β = 90 c = 165.9 γ = 90
Symmetry Space Group P 43 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 289 IMAGE PLATE RIGAKU RAXIS IIC MIRRORS 1997-09-01 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH2R
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 2 100 89.9 0.069 0.069 11.7 2.3 45927 11.8
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) 2 2.07 81.7 0.287 0.287 2.6 1.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 MOLECULAR REPLACEMENT THROUGHOUT 1NUL 2 50 45860 4623 89.6 0.218 0.218 0.2149 0.244 0.2413 RANDOM R VALUE (WORKING + TEST SET) : NULL 28.5
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 24.6 x_scangle_it 3.4 x_mcangle_it 2.41 x_scbond_it 2.13 x_mcbond_it 1.43 x_angle_deg 1.1 x_improper_angle_d 0.97 x_bond_d 0.005 x_bond_d_na x_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 24.6 x_scangle_it 3.4 x_mcangle_it 2.41 x_scbond_it 2.13 x_mcbond_it 1.43 x_angle_deg 1.1 x_improper_angle_d 0.97 x_bond_d 0.005 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
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4500 Nucleic Acid Atoms Solvent Atoms 142 Heterogen Atoms 80
Software Software Software Name Purpose X-PLOR model building X-PLOR refinement PROCESS data reduction PROCESS data scaling X-PLOR phasing