3BE5

Crystal structure of FitE (crystal form 1), a group III periplasmic siderophore binding protein


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION7.52940.1M Tris-HCl pH 7.5, 0.2 M MgCl2, 22% (w/v) PEG 3350, VAPOR DIFFUSION, temperature 294K
Crystal Properties
Matthews coefficientSolvent content
2.5251.23

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 51.656α = 90
b = 113.633β = 90
c = 224.521γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315Cryogenically cooled double crystal monochromator with horizontal focusing sagitally bent second mono crystal2006-11-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29A1.10000NSLSX29A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.2500.07314.35.260135526.4
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.22.2859.70.1834.82.84025

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 DIFFRACTIONSADTHROUGHOUT2.247.0457016304287.740.190080.187120.24488RANDOM30.43
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]
-1.023.8-2.78
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.071
r_dihedral_angle_4_deg17.073
r_dihedral_angle_3_deg15.473
r_dihedral_angle_1_deg5.481
r_scangle_it2.52
r_scbond_it1.57
r_angle_refined_deg1.268
r_mcangle_it0.963
r_mcbond_it0.61
r_nbtor_refined0.302
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.071
r_dihedral_angle_4_deg17.073
r_dihedral_angle_3_deg15.473
r_dihedral_angle_1_deg5.481
r_scangle_it2.52
r_scbond_it1.57
r_angle_refined_deg1.268
r_mcangle_it0.963
r_mcbond_it0.61
r_nbtor_refined0.302
r_symmetry_vdw_refined0.217
r_nbd_refined0.203
r_xyhbond_nbd_refined0.151
r_symmetry_hbond_refined0.123
r_chiral_restr0.082
r_bond_refined_d0.011
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9021
Nucleic Acid Atoms
Solvent Atoms609
Heterogen Atoms2

Software

Software
Software NamePurpose
REFMACrefinement
ADSCdata collection
HKL-2000data reduction
HKL-2000data scaling
SOLVEphasing