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Structure of the loading/condensing region (SAT-KS-MAT) of the cercosporin fungal non-reducing polyketide synthase (NR-PKS) CTB1
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2HG4 2HG4, 4RO5 experimental model PDB 4RO5 2HG4, 4RO5
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.5 277.15 0.2 M MgCl2
0.1 M Bis-Tris Propane pH 6.5
18% (v/v) PEG3350
Crystal Properties Matthews coefficient Solvent content 2.81 56.32
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 108.05 α = 90 b = 230.2 β = 90 c = 253.8 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 PIXEL DECTRIS PILATUS 6M-F 2015-09-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X06SA 1.0000 SLS X06SA
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 2.77 126.915 99.2 0.212 0.995 10.13 8.5 79860 60.9
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.77 2.84 91.9 1.938 0.433 1.03 5.6
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 2HG4, 4RO5 2.77 63.45 1.34 79812 3916 99.04 0.2069 0.2052 0.2118 0.2405 0.2469
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 11.925 f_angle_d 0.496 f_chiral_restr 0.04 f_plane_restr 0.003 f_bond_d 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 19291 Nucleic Acid Atoms Solvent Atoms 352 Heterogen Atoms 69
Software Software Software Name Purpose PHENIX refinement XDS data reduction XSCALE data scaling PHASER phasing