3FHH

Crystal structure of the heme/hemoglobin outer membrane transporter ShuA from Shigella dysenteriae


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.529013-15% PEG 1K, 0.1M MES pH 6.5, 0.1M NaCl, VAPOR DIFFUSION, SITTING DROP, temperature 290K
Crystal Properties
Matthews coefficientSolvent content
3.766.75

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 78.099α = 90
b = 114.217β = 90
c = 117.085γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayFLAT PANEL2008-05-15MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID290.9788, 0.9791, 0.9793, 0.9752ESRFID29

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
12.619.9499.70.0916.277.13279832798-3
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)
2.62.799.90.4484.687.33433

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 DIFFRACTIONMADTHROUGHOUT2.619.9431105164799.860.239780.237360.28581RANDOM59.34
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]
0.7-7.957.26
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.992
r_dihedral_angle_3_deg20.381
r_dihedral_angle_4_deg20.17
r_dihedral_angle_1_deg7.898
r_scangle_it2.413
r_scbond_it1.692
r_angle_refined_deg1.489
r_mcangle_it1.06
r_mcbond_it0.587
r_nbtor_refined0.313
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.992
r_dihedral_angle_3_deg20.381
r_dihedral_angle_4_deg20.17
r_dihedral_angle_1_deg7.898
r_scangle_it2.413
r_scbond_it1.692
r_angle_refined_deg1.489
r_mcangle_it1.06
r_mcbond_it0.587
r_nbtor_refined0.313
r_symmetry_vdw_refined0.26
r_nbd_refined0.241
r_xyhbond_nbd_refined0.17
r_symmetry_hbond_refined0.155
r_chiral_restr0.107
r_bond_refined_d0.012
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4756
Nucleic Acid Atoms
Solvent Atoms45
Heterogen Atoms24

Software

Software
Software NamePurpose
ADSCdata collection
SHELXSphasing
REFMACrefinement
XDSdata reduction
XDSdata scaling