2A7M

1.6 Angstrom Resolution Structure of the Quorum-Quenching N-Acyl Homoserine Lactone Hydrolase of Bacillus thuringiensis


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.5298glycerol, tris-hcl, peg4000, magnesium chloride, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.1943.82

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.6α = 90
b = 55.551β = 90
c = 80.094γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152005-04-25MSINGLE WAVELENGTH
21x-rayCCDADSC QUANTUM 42005-02-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL11-10.8265SSRLBL11-1
2SYNCHROTRONAPS BEAMLINE 14-BM-D1.2827APS14-BM-D

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
1,21.65099.70.0550.05536.87.13275727
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1,21.61.68680.490.870.872.473603

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT1.645.642855028550142091.220.171710.171710.169760.21068RANDOM26.651
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]
0.85-0.960.11
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.409
r_dihedral_angle_4_deg19.213
r_dihedral_angle_3_deg14.294
r_dihedral_angle_1_deg6.189
r_scangle_it5.173
r_scbond_it3.712
r_mcangle_it2.29
r_mcbond_it1.734
r_angle_refined_deg1.305
r_nbtor_refined0.31
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.409
r_dihedral_angle_4_deg19.213
r_dihedral_angle_3_deg14.294
r_dihedral_angle_1_deg6.189
r_scangle_it5.173
r_scbond_it3.712
r_mcangle_it2.29
r_mcbond_it1.734
r_angle_refined_deg1.305
r_nbtor_refined0.31
r_symmetry_vdw_refined0.204
r_nbd_refined0.201
r_xyhbond_nbd_refined0.114
r_symmetry_hbond_refined0.102
r_chiral_restr0.085
r_metal_ion_refined0.033
r_bond_refined_d0.009
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1989
Nucleic Acid Atoms
Solvent Atoms181
Heterogen Atoms50

Software

Software
Software NamePurpose
REFMACrefinement
Blu-Icedata collection
SCALEPACKdata scaling
SOLVEphasing