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XPRTASE FROM E. COLI COMPLEXED WITH MG:CPRPP AND GUANINE
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% PEG4000, 0.1 M BORATE PH 9.0, 0.1 M AMMONIUM PHOSPHATE
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 1997-07-11 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 79.9 0.065 0.065 12 2.3 40863 12
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 2.07 61.8 0.226 2.3 1.5
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 40785 4099 80 0.207 0.207 0.2453 0.232 0.268 RANDOM R VALUE (WORKING + TEST SET) : NULL 26.7
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 24.4 x_scangle_it 3.15 x_mcangle_it 2.31 x_scbond_it 1.93 x_mcbond_it 1.35 x_angle_deg 1.1 x_improper_angle_d 0.95 x_bond_d 0.005 x_bond_d_na x_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 24.4 x_scangle_it 3.15 x_mcangle_it 2.31 x_scbond_it 1.93 x_mcbond_it 1.35 x_angle_deg 1.1 x_improper_angle_d 0.95 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 136 Heterogen Atoms 76
Software Software Software Name Purpose X-PLOR model building X-PLOR refinement DENZO data reduction SCALEPACK data scaling X-PLOR phasing