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CRYSTAL STRUCTURE OF MUTANT T145A SQD1 PROTEIN COMPLEX WITH NAD AND UDP-SULFOQUINOVOSE/UDP-GLUCOSE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1QRR PDB ENTRY 1QRR
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.5 293 ammonium sulfate, sodium chloride, MES buffer, NAD+, UDP-glucose, sodium sulfite, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 3.5 65
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 159.644 α = 90 b = 159.644 β = 90 c = 99.106 γ = 90
Symmetry Space Group I 41 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 105 IMAGE PLATE RIGAKU RAXIS IV++ Osmic Max-Flux confocal, multilayer mirrors 2000-07-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.5418
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 1.75 30 99.1 0.08 17.4 4.96 63698 -3 20.04
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 1.75 1.81 98.1 0.337 2 2.8
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1QRR 1.75 30 63693 63693 3194 99.1 0.18 0.1707 0.196 0.1865 R-free flags were assigned using the CCP4 suite, based on a standard set of flags used for all SQD1 structural refinements. 21.02
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 c_dihedral_angle_d 22.09 c_scangle_it 1.365 c_angle_deg 1.27 c_scbond_it 0.939 c_mcangle_it 0.935 c_improper_angle_d 0.74 c_mcbond_it 0.598 c_bond_d 0.0055
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3028 Nucleic Acid Atoms Solvent Atoms 402 Heterogen Atoms 129
Software Software Software Name Purpose CrystalClear data collection DENZO data reduction SCALEPACK data scaling CCP4 data reduction CNS refinement CrystalClear data reduction CCP4 data scaling CNS phasing