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The crystal structure of SBD1-SBD2 tandem of GlnPQ transporter
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4KPT
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 293 125 mM MES pH 6.0, 25 % PEG200, 6.25% PEG3350 and 50 mM NaF
Crystal Properties Matthews coefficient Solvent content 2.92 57.89
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 93.56 α = 90 b = 187.033 β = 90 c = 134.432 γ = 90
Symmetry Space Group C 2 2 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 315 2010-01-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-1 1 ESRF ID14-1
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 2.8 20 100 0.14 4 2 29326
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.8 2.9 100
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 4KPT 2.8 19.974 1.39 29325 1490 100 0.1676 0.1638 0.1668 0.2399 0.2408
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 15.156 f_angle_d 1.063 f_chiral_restr 0.055 f_bond_d 0.008 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7010 Nucleic Acid Atoms Solvent Atoms 234 Heterogen Atoms 445
Software Software Software Name Purpose PHENIX refinement XDS data reduction XSCALE data scaling PHASER phasing