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Crystal structure of sulfonamide resistance enzyme Sul2 in complex with 7,8-dihydropteroate, magnesium, and pyrophosphate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1AJ0 PDB entry 1AJ0
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 298 1.6 M ammonium sulfate, 2% hexanediol, 0.1 M HEPES, pH 7.7, 2 mM PABA, 1 mM 6-hydroxymethyl-7,8-dihydropterin pyrophosphate
Crystal Properties Matthews coefficient Solvent content 2.01 38.91
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 45.73 α = 90 b = 74.243 β = 96.075 c = 67.989 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 PIXEL DECTRIS PILATUS3 6M 2020-03-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 0.97918 APS 19-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) 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 1.74 30 98 0.071 0.034 0.999 20.88 4.6 45563 20.8
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.74 1.77 97.4 0.396 0.2 0.968 2.21 4.3
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 PDB entry 1AJ0 1.74 28.76 1.36 45534 1999 97.58 0.1801 0.1786 0.1783 0.2127 0.2114 31.07
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 15.5325 f_angle_d 1.0124 f_chiral_restr 0.0616 f_plane_restr 0.0088 f_bond_d 0.0062
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3911 Nucleic Acid Atoms Solvent Atoms 371 Heterogen Atoms 73
Software Software Software Name Purpose PHENIX refinement HKL-3000 data reduction HKL-3000 data scaling PHENIX phasing PHENIX model building Coot model building