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Crystal Structure of the second ketosynthase from the bacillaene polyketide synthase bound to its natural intermediate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4NA1 PDB ENTRY 4NA1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 295 15% (w,v) PEG 3350, 0.18 M tri-ammonium citrate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.43 49.29
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 165.12 α = 90 b = 71.34 β = 95.1 c = 116.47 γ = 90
Symmetry Space Group C 1 2 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 MARMOSAIC 300 mm CCD 2013-07-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D 1.0331 APS 23-ID-D
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 2.3 43.5 100 60206
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 2.35 2.393 87.4 0.815 2
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 PDB ENTRY 4NA1 2.3 43.5 52829 53202 2848 93.08 0.21302 0.21043 0.2081 0.2603 0.257 RANDOM 39.434
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] 0.09 0.04 -0.12
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.632 r_dihedral_angle_4_deg 15.187 r_dihedral_angle_3_deg 14.902 r_dihedral_angle_1_deg 4.277 r_angle_refined_deg 0.724 r_chiral_restr 0.051 r_bond_refined_d 0.008 r_gen_planes_refined 0.003 r_bond_other_d r_angle_other_deg
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.632 r_dihedral_angle_4_deg 15.187 r_dihedral_angle_3_deg 14.902 r_dihedral_angle_1_deg 4.277 r_angle_refined_deg 0.724 r_chiral_restr 0.051 r_bond_refined_d 0.008 r_gen_planes_refined 0.003 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_it r_mcbond_other r_mcangle_it r_mcangle_other r_scbond_it r_scbond_other r_scangle_it r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9189 Nucleic Acid Atoms Solvent Atoms 243 Heterogen Atoms
Software Software Software Name Purpose MAR345dtb data collection PHASES phasing REFMAC refinement MOSFLM data reduction SCALA data scaling