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The Structure of a C2-type Ketoreductase from a Modular Polyketide Synthase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3MJS PDB ENTRY 3MJS
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.3 298 33% PEG4000, 0.25 M sodium acetate, 0.1 M Tris-Cl, pH 8.3, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
Crystal Properties Matthews coefficient Solvent content 2.34 47.47
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 79.636 α = 90 b = 150.088 β = 105.12 c = 86.868 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 315r 2009-10-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.3.1 1.1159 ALS 8.3.1
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 1.88 50 90.95 0.064 37 3.5 151191 137509 2.7 2.7 31.9
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 1.88 1.91 86.8 0.688 2.7 3.6 9525
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 3MJS 1.88 31.23 151191 137509 7250 90.95 0.22924 0.22676 0.27623 0.2828 RANDOM 43.267
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] -0.68 -1.08 2.61 -2.5
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.018 r_dihedral_angle_3_deg 18.057 r_dihedral_angle_4_deg 17.66 r_dihedral_angle_1_deg 6.498 r_scangle_it 4.584 r_scbond_it 3.149 r_mcangle_it 2.1 r_angle_refined_deg 2.029 r_mcbond_it 1.289 r_chiral_restr 0.162
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.018 r_dihedral_angle_3_deg 18.057 r_dihedral_angle_4_deg 17.66 r_dihedral_angle_1_deg 6.498 r_scangle_it 4.584 r_scbond_it 3.149 r_mcangle_it 2.1 r_angle_refined_deg 2.029 r_mcbond_it 1.289 r_chiral_restr 0.162 r_bond_refined_d 0.023 r_gen_planes_refined 0.011
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 13330 Nucleic Acid Atoms Solvent Atoms 343 Heterogen Atoms
Software Software Software Name Purpose ADSC data collection PHASES phasing REFMAC refinement HKL-2000 data reduction SCALEPACK data scaling