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Crystal Structure of Autoinducer-2 Production Protein (LuxS) from Heamophilus influenzae
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 295 Method: vapor diffusion-Hanging drop.
Well Solution: PEG 4000 25%, MAGNESIUM CHLORIDE
0.2M, TRIS BUFFER 0.1M pH8.5.
Drop composition: 15ul OF WELL SOLUTION, 15 ul OF
PROTEIN (15mg/ml).
Soaking medium: PEG 4000 (27.5%), magnesium
chloride 0.2M, Tris buffer 0.1M pH 8.5, Mercury
Acetate 0.5mM.
Soaking time: 3.5 hrs.
Cryo Protectant: Lithium Formate 15%. , VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.25 45.3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 115.53 α = 90 b = 115.53 β = 90 c = 51.23 γ = 90
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 MARRESEARCH mirror 2000-07-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 17-ID 1.00 APS 17-ID
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 2.3 40 100 0.0891 15.09 3.67 30314 30314
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.3 2.44 100 0.499 1.68 3.7
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-Factor (All) 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 SAD(HG) free R throughout. 2.4 10 26405 26405 1335 100 0.2099 0.2099 0.2053 0.201 0.2992 0.2636 random
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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 4722.5
RMS Deviations Key Refinement Restraint Deviation s_anti_bump_dis_restr 0.101 s_similar_adp_cmpnt 0.095 s_non_zero_chiral_vol 0.022 s_from_restr_planes 0.021 s_zero_chiral_vol 0.019 s_angle_d 0.017 s_bond_d 0.004 s_similar_dist s_rigid_bond_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4580 Nucleic Acid Atoms Solvent Atoms 134 Heterogen Atoms 8
Software Software Software Name Purpose SHELXS phasing MLPHARE phasing DM model building SHELXL-97 refinement X-GEN data reduction X-GEN data scaling DM phasing