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Crystal Structure of 6,7-dimethyl-8-ribityllumazine synthase from Bordetella pertussis in complex with 6,7-dimethyl-8-(1'-D-ribityl) lumazine
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 9YL5
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 291 Morpheus B12: 12.5%(v/v) MPD, 12.5%(v/v) PEG 1000, 12.5%(w/v) PEG 3350, 100 mM Tris/BICINE, pH 8.5, 30 mM NaF, 30 mM NaBr and 30 mM NaI. BopeA.00730.a.B2.PW39381 at 13.8 mg/mL. 24 hour soak with 2 mM 6,7-dimethyl-8-(1'-D-ribityl) lumazine. plate 19802 B12, Puck: PSL-0104, Cryo: direct
Crystal Properties Matthews coefficient Solvent content 2.54 51.52
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 135.448 α = 90 b = 75.416 β = 114.38 c = 94.461 γ = 90
Symmetry Space Group C 1 2 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 EIGER2 XE 9M 2025-11-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS-II BEAMLINE 19-ID 0.9786 NSLS-II 19-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) 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 2.15 46.91 99.6 0.097 0.106 0.041 0.999 10.7 6.8 47090
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.15 2.22 99.5 1.511 1.646 0.646 0.824 6.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 2.15 46.91 1.34 46852 2375 99.1 0.2262 0.2243 0.2606 0.2567
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 20.006 f_angle_d 0.623 f_chiral_restr 0.046 f_plane_restr 0.005 f_bond_d 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5430 Nucleic Acid Atoms Solvent Atoms 33 Heterogen Atoms 161
Software Software Software Name Purpose PHENIX refinement Aimless data scaling XDS data reduction PHASER phasing PDB_EXTRACT data extraction