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Crystal Structure of 1,3,6,8-Tetrahydroxynaphthalene Synthase (THNS) from Streptomyces coelicolor A3(2): a Bacterial Type III Polyketide Synthase (PKS) Provides Insights into Enzymatic Control of Reactive Polyketide Intermediates
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 277 PEG 8000, Magnesium chloride, Na+MOPSO- buffer, sucrose, DTT, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.7 54.04
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 76.679 α = 90 b = 69.685 β = 95.42 c = 81.135 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 IMAGE PLATE MARRESEARCH 2001-01-08 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL9-1 1.0718,1.0713,0.9050 SSRL BL9-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 40.4 87.9 37126 37126 16.7
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.34 42.3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) 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 MAD, AB INITIO PHASING THROUGHOUT 2.22 40.39 37126 37126 1854 87.9 0.255 0.253 0.253 0.2527 0.292 0.2916 RANDOM 54.1
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] 25.03 2.3 -13.79 -11.24
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.3 c_scangle_it 2.82 c_mcangle_it 2.28 c_scbond_it 1.97 c_angle_deg 1.4 c_mcbond_it 1.4 c_improper_angle_d 0.9 c_bond_d 0.007 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.3 c_scangle_it 2.82 c_mcangle_it 2.28 c_scbond_it 1.97 c_angle_deg 1.4 c_mcbond_it 1.4 c_improper_angle_d 0.9 c_bond_d 0.007 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5306 Nucleic Acid Atoms Solvent Atoms 148 Heterogen Atoms 50
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction SCALEPACK data scaling SOLVE phasing