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X-ray Crystal Structure of Aristolochene Synthase from Aspergillus terreus and the Evolution of Templates for the Cyclization of Farnesyl Diphosphate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1DI1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 277 100mM Tris, 18% PEG 6000, 0.5M NaCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.56 51.88
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.19 α = 90 b = 147.242 β = 97.91 c = 83.736 γ = 90
Symmetry Space Group P 1 21 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 315 2005-06-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X29A 1.0 NSLS X29A
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 96.2 0.084 19 2.9 73132 72129 2.3 36.7
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) 2.2 2.28 89.1 0.534 2.26 2.7 6773
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1DI1 2.2 50 72129 72129 3681 0.222 0.222 0.2256 0.272 0.2237 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 19 c_angle_deg 1.2 c_improper_angle_deg 0.99 c_bond_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9570 Nucleic Acid Atoms Solvent Atoms 191 Heterogen Atoms 34
Software Software Software Name Purpose CBASS data collection PHASER phasing CNS refinement HKL-2000 data reduction HKL-2000 data scaling