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ESCHERICHIA COLI GLUTAMINE PHOSPHORIBOSYLPYROPHOSPHATE (PRPP) AMIDOTRANSFERASE COMPLEXED WITH MN-CPRPP AND 5-OXO-NORLEUCINE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ECF PDB ENTRY 1ECF
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.8 0.42MM CPRPP, 25MM MNCL2, 40MM BIS-TRIS PH 5.8, 3.2% 2-PROPANOL, 7.5% PEG-3350
Crystal Properties Matthews coefficient Solvent content 2.29 46
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 78.2 α = 90 b = 78.2 β = 90 c = 308.8 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 110 IMAGE PLATE RIGAKU RAXIS IIC 1996-08-15 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 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 2.4 25 88.3 0.036 22.7 2.8 27331 -3 42.9
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) 2.4 2.5 60.3 0.172 3.1
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-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R PDB ENTRY 1ECF 2.4 25 35343 1679 88.3 0.176 0.176 0.265 RANDOM, FROM ENTIRE DATA SET 34.3
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] 1.46 1.46 -2.92
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 23.1 x_scangle_it 2.5 x_mcangle_it 2 x_scbond_it 2 x_angle_deg 1.97 x_mcbond_it 1.5 x_improper_angle_d 1.47 x_bond_d 0.012 x_bond_d_na x_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 23.1 x_scangle_it 2.5 x_mcangle_it 2 x_scbond_it 2 x_angle_deg 1.97 x_mcbond_it 1.5 x_improper_angle_d 1.47 x_bond_d 0.012 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 7732 Nucleic Acid Atoms Solvent Atoms 291 Heterogen Atoms 69
Software Software Software Name Purpose X-PLOR model building X-PLOR refinement HKL data reduction HKL data scaling SCALEPACK data scaling X-PLOR phasing