2Q88

Crystal structure of EhuB in complex with ectoine


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4273sodium acetate, PEG, CdCl2, pH 4.0, VAPOR DIFFUSION, HANGING DROP, temperature 273K
Crystal Properties
Matthews coefficientSolvent content
2.4549.79

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.365α = 90
b = 57.365β = 90
c = 161.883γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plateMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMPG/DESY, HAMBURG BEAMLINE BW61.05MPG/DESY, HAMBURGBW6

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.92097.30.11813.521659
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.91.9398.60.3911089

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.92021600111397.230.2290.2280.249RANDOM28.377
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]
1.381.38-2.75
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.132
r_dihedral_angle_3_deg16.313
r_dihedral_angle_4_deg13.228
r_dihedral_angle_1_deg5.491
r_scangle_it2.825
r_scbond_it1.658
r_angle_refined_deg1.225
r_mcangle_it1.012
r_mcbond_it0.601
r_metal_ion_refined0.439
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.132
r_dihedral_angle_3_deg16.313
r_dihedral_angle_4_deg13.228
r_dihedral_angle_1_deg5.491
r_scangle_it2.825
r_scbond_it1.658
r_angle_refined_deg1.225
r_mcangle_it1.012
r_mcbond_it0.601
r_metal_ion_refined0.439
r_nbtor_refined0.303
r_symmetry_vdw_refined0.255
r_symmetry_hbond_refined0.215
r_nbd_refined0.192
r_xyhbond_nbd_refined0.108
r_chiral_restr0.083
r_bond_refined_d0.009
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1906
Nucleic Acid Atoms
Solvent Atoms123
Heterogen Atoms14

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
AMoREphasing