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Crystal Structure of the C136S Mutant of Aspartate Semialdehyde Dehydrogenase from Haemophilus influenzae Bound with Aspartate Semialdehyde and Phosphate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1NWC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 298 24% PEG 3350, 0.2M Ammonium acetate, 100 mM Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.24 44.97
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 113.949 α = 90 b = 55.059 β = 90 c = 57.832 γ = 90
Symmetry Space Group P 21 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 90 CCD SBC-3 2002-07-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-BM 1.00 APS 19-BM
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 1.91 50 99.8 0.049 29.7 10.4 27514 27474 2 10.9
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) 1 1.91 1.98 85.8 0.118 13.4 2447
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 1NWC 2.06 37.64 2 23196 21902 2143 94.4 0.236 0.228 0.228 0.2266 0.286 0.2843 RANDOM 22.9
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] -9.2 3.67 5.53
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.2 c_angle_deg 1.3 c_improper_angle_d 0.76 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2753 Nucleic Acid Atoms Solvent Atoms 215 Heterogen Atoms 13
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction SCALEPACK data scaling CNS phasing