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Crystal Structure of the G81A mutant of the Active Chimera of (S)-Mandelate Dehydrogenase in complex with its substrate 3-indolelactate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1P4C
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.2 291 0.2M MES, 0.75% ammonium sulfate, 10% ethylene glycol, 20uM FMN. Crystals grown in this condition were soaked in 30mM 3-indolelactate for 2 hours., pH 6.2, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.57 53.04
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 99.4 α = 90 b = 99.4 β = 90 c = 87.6 γ = 90
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 315 M SINGLE WAVELENGTH 2 1 100 CCD ADSC QUANTUM 4
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 8-BM 0.9 APS 8-BM 2 SYNCHROTRON APS BEAMLINE 14-BM-C 0.9 APS 14-BM-C
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 2.2 50 0.084 3.5 20535
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) 1 2.2 2.28 0.302
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1P4C 2.2 40 19200 1129 0.198 0.1984 0.243 0.2432 Random
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 c_dihedral_angle_deg 21.4 c_angle_deg 1.4 c_angle_d 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2748 Nucleic Acid Atoms Solvent Atoms 224 Heterogen Atoms 58
Software Software Software Name Purpose HKL-2000 data collection SCALEPACK data scaling CNS refinement HKL-2000 data reduction CNS phasing