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Crystal structures and biochemical characterization of the bacterial solute receptor AcbH reveal an unprecedented exclusive substrate preference for b-D-galactopyranose
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other model from SeMet SAD phasing
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.5 291 2.2M (NH4)2SO4, 100mM citric acid, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.46 49.94
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 47.835 α = 90 b = 98.812 β = 95.04 c = 95.732 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 CCD ADSC QUANTUM 210 mirrors 2007-08-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON BESSY BEAMLINE 14.2 0.91841 BESSY 14.2
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 2.15 50 93.1 0.084 6.8 2.9 44711
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 2.15 2.23 83.2 0.234 2.5 3954
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT model from SeMet SAD phasing 2.15 34.31 44697 2235 92.9 0.1909 0.1877 0.1892 0.2509 0.2521 RANDOM 13.203
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] -1.72 -0.43 2.14 -0.49
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.627 r_dihedral_angle_4_deg 24.679 r_dihedral_angle_3_deg 17.861 r_dihedral_angle_1_deg 8.776 r_scangle_it 3.763 r_scbond_it 2.602 r_mcangle_it 1.372 r_angle_refined_deg 0.931 r_mcbond_it 0.817 r_chiral_restr 0.083
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.627 r_dihedral_angle_4_deg 24.679 r_dihedral_angle_3_deg 17.861 r_dihedral_angle_1_deg 8.776 r_scangle_it 3.763 r_scbond_it 2.602 r_mcangle_it 1.372 r_angle_refined_deg 0.931 r_mcbond_it 0.817 r_chiral_restr 0.083 r_bond_refined_d 0.011 r_gen_planes_refined 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6100 Nucleic Acid Atoms Solvent Atoms 657 Heterogen Atoms 34
Software Software Software Name Purpose SCALEPACK data scaling REFMAC refinement PDB_EXTRACT data extraction ADSC data collection DENZO data reduction PHASER phasing