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Crystal structure of A58P, DEL(N59), and loop 7 truncated mutant of 3-deoxy-D-manno-octulosonate 8-phosphate synthase (KDO8PS) from Neisseria meningitidis
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3STC PDB ENTRY 3STC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 297 20 mg/mL protein (in 10 mM BTP pH 7.5) mixed 1:1 with reservoir liquor containing 100 mM NaOAc (pH 4.6) and 0.6-3.0 M NaCl. Immediately prior to data collection, crystals were harvested and soaked briefly in cryoprotectant solution, comprising 20% glycerol and the reservoir solution, Vapor diffusion, hanging drop, temperature 297K
Crystal Properties Matthews coefficient Solvent content 2.7 54.46
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 81.69 α = 90 b = 104.05 β = 90 c = 149.62 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 210r 2010-09-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX1 0.95368 Australian Synchrotron MX1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 2.2 36.849 100 0.087 18.9 7.3 65469 65469
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Rrim I (All) Rpim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.32 100 0.347 0.347 0.373 0.137 1.8 7.4 9423
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 3STC 2.2 35.99 65395 65395 3250 99.96 0.1992 0.1992 0.1972 0.2377 0.2148 RANDOM 24.8155
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] 0.17 0.35 -0.52
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 5.648 r_angle_refined_deg 1.101 r_angle_other_deg 0.867 r_chiral_restr 0.067 r_bond_refined_d 0.009 r_gen_planes_refined 0.003 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8054 Nucleic Acid Atoms Solvent Atoms 574 Heterogen Atoms 12
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling REFMAC refinement PDB_EXTRACT data extraction ADSC data collection