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E. coli dihydropteroate synthase complexed with 9-methylguanine
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1AJ2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6 281 16.9% PEG8000
0.1 M sodium cacodylate, pH 6.0
0.143M MgNO3
Protein at 15 mg.mL-1
Crystal Properties Matthews coefficient Solvent content 2.6 52.69
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 95.542 α = 90 b = 85.513 β = 111.52 c = 84.281 γ = 90
Symmetry Space Group C 1 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 QUANTUM 210 2010-10-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX1 0.95370 Australian Synchrotron MX1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 1.968 19.771 99.5 0.084 13.8 7.4 44542
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1AJ2 1.968 19.771 1.35 43966 2212 98.35 0.1892 0.1875 0.1866 0.2225 0.2226
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 f_dihedral_angle_d 15.275 f_angle_d 1.173 f_chiral_restr 0.052 f_bond_d 0.009 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4067 Nucleic Acid Atoms Solvent Atoms 241 Heterogen Atoms 28
Software Software Software Name Purpose PHENIX refinement XDS data reduction Aimless data scaling PHASER phasing