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Structure of the macrocycle thiostrepton solved using the anomalous dispersive contribution from sulfur
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details other SEE REFERENCE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7 1ML 15.38MG/ML THIOSTREPTON IN CHLOROFORM_ISOAMYL ALCOHOL + 100 MICROL GLYCEROL + 200 MICROL ETHANOL. BATCH METHOD, pH 7.00
Crystal Properties Matthews coefficient Solvent content 1.46 14.8
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 26.577 α = 90 b = 26.577 β = 90 c = 27.436 γ = 90
Symmetry Space Group P 43 21 2
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 MARRESEARCH M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM14 ESRF BM14
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 1.02 50 96.7 0.033 33.8 4.3 5232
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 1.02 1.04 74.6 0.152 5.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 FREE R-VALUE SEE REFERENCE 1.02 50 8391 825 96.7 0.1122 0.1124 0.1176 0.1423 0.1489 RANDOM
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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 115.33
RMS Deviations Key Refinement Restraint Deviation s_anti_bump_dis_restr 0.051 s_angle_d 0.047 s_similar_adp_cmpnt 0.037 s_bond_d 0.019 s_rigid_bond_adp_cmpnt 0.007 s_from_restr_planes 0.0001 s_similar_dist s_zero_chiral_vol s_non_zero_chiral_vol s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 114 Nucleic Acid Atoms Solvent Atoms 4 Heterogen Atoms
Software Software Software Name Purpose SHELXL-97 refinement DENZO data reduction SCALEPACK data scaling SHELX phasing