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Crystal structure of a bacterial quorum-sensing transcription factor complexed with pheromone and DNA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.8 298 pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.5 50.85
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 92.298 α = 90 b = 58.37 β = 102.81 c = 127.453 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 SBC-2 mirrors 2000-08-12 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 0.9795, 0.9797, 0.95600 APS 19-ID
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 1.66 50 89.1 0.082 21.76 6.69 155406 139194 2 2 21.7
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) 1.66 1.72 70.9 0.422 2 5.29 10916
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD THROUGHOUT 1.66 39.6 139194 139194 7044 89.1 0.246 0.266 RANDOM 25.2
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] -1.81 1.12 -2 3.81
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 20 c_scangle_it 2.22 c_scbond_it 1.53 c_mcangle_it 1.28 c_angle_deg 1.2 c_improper_angle_d 1 c_mcbond_it 0.84 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7332 Nucleic Acid Atoms 1628 Solvent Atoms 914 Heterogen Atoms 68
Software Software Software Name Purpose CNS refinement d*TREK data reduction HKL-2000 data scaling CNS phasing