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Crystal Structure of the R103K Mutant of Aspartate Semialdehyde dehydrogenase from Haemophilus influenzae
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 26 % PEG 3350, 0.2 M ammonium acetate, 0.1 M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.25 45.25
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 114.156 α = 90 b = 54.891 β = 90 c = 58.19 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 IMAGE PLATE RIGAKU RAXIS IV mirrors 2002-01-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418
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 2.1 50 98 0.062 10.9 7.6 22055 2 2 24.5
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 2.1 2.18 98 0.288 2.1 1810
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 2.15 22.26 2 21993 20321 1993 99 0.245 0.225 0.225 0.2202 0.279 0.2729 RANDOM 36
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] -9.3 -5.69 14.98
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.2 c_scangle_it 2.84 c_mcangle_it 2.1 c_scbond_it 2.03 c_mcbond_it 1.33 c_angle_deg 1.3 c_improper_angle_d 0.81 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2751 Nucleic Acid Atoms Solvent Atoms 143 Heterogen Atoms 5
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction SCALEPACK data scaling CNS phasing