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A crotonyl-CoA reductase-carboxylase independent pathway for assembly of unusual alkylmalonyl-CoA polyketide synthase extender unit
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3IBB
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 293 6-11% MPD (2-Methyl-2,4-pentanediol), 0.2 M magnesium acetate, and 0.1 M MES pH 6.6-6.8
Crystal Properties Matthews coefficient Solvent content 2.45 49.88
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 120.56 α = 90 b = 163.44 β = 90 c = 186.55 γ = 90
Symmetry Space Group P 21 21 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 ADSC QUANTUM 315r 2014-09-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.2.1 0.999 ALS 8.2.1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) CC (Half) 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 2.45 81.72 99 0.112 0.994 11.8 6.1 134126
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 2.45 2.49 97.3 0.966 1.6 5.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 3IBB 2.45 81.72 1.33 133793 1992 98.69 0.1919 0.1913 0.1912 0.2298 0.2286
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 f_dihedral_angle_d 15.199 f_angle_d 1.032 f_chiral_restr 0.064 f_bond_d 0.007 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 22424 Nucleic Acid Atoms Solvent Atoms 936 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement MOSFLM data reduction Aimless data scaling PHASER phasing PHENIX model building Coot model building