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Crystal structure of fused docking domains from PikAIII and PikAIV of the pikromycin polyketide synthase
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5 277 20 mM HEPES pH 7.8, 150 mM NaCl, 55% 2-methyl-2,4-pentanediol, 200 mM sodium acetate pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.38 48.33
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 59.016 α = 90 b = 117.944 β = 90 c = 41.773 γ = 90
Symmetry Space Group C 2 2 21
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 MARMOSAIC 300 mm CCD K-B PAIR OF BIOMORPH MIRRORS FOR VERTICAL AND HORIZONTAL FOCUSING 2008-02-10 M SINGLE WAVELENGTH 2 1 x-ray 100 CCD MARMOSAIC 300 mm CCD K-B PAIR OF BIOMORPH MIRRORS FOR VERTICAL AND HORIZONTAL FOCUSING 2008-04-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D 0.97934 APS 23-ID-D 2 SYNCHROTRON APS BEAMLINE 23-ID-B 0.97940 APS 23-ID-B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1.75 50 99.2 0.069 0.069 15.586 3.6 15084 14954 20.3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.75 1.81 98 0.507 0.507 2.1 3.1 1471
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION SAD THROUGHOUT 1.75 32.76 15079 14942 750 99.09 0.203 0.203 0.201 0.25 0.2596 RANDOM 26.546
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] 3.52 -1.88 -1.65
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.241 r_dihedral_angle_4_deg 16.877 r_dihedral_angle_3_deg 12.765 r_scangle_it 5.759 r_dihedral_angle_1_deg 3.958 r_scbond_it 3.211 r_mcangle_it 1.652 r_angle_refined_deg 1.216 r_mcbond_it 0.802 r_chiral_restr 0.071
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.241 r_dihedral_angle_4_deg 16.877 r_dihedral_angle_3_deg 12.765 r_scangle_it 5.759 r_dihedral_angle_1_deg 3.958 r_scbond_it 3.211 r_mcangle_it 1.652 r_angle_refined_deg 1.216 r_mcbond_it 0.802 r_chiral_restr 0.071 r_bond_refined_d 0.011 r_gen_planes_refined 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 919 Nucleic Acid Atoms Solvent Atoms 151 Heterogen Atoms 1
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling SOLVE phasing RESOLVE phasing REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data collection