4F3S

Crystal structure of periplasmic D-alanine ABC transporter from Salmonella enterica


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP72931.8M Ammonium citrate tribasic pH 7, 10% Jeffamine M600 pH 7, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.9558.28

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 80.406α = 90
b = 80.406β = 90
c = 187.041γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315Mirrors2011-02-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X250.9791NSLSX25

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
12.145099.70.0611.2412051620516
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)
12.142.2297.30.38537.832004

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT2.1446.452051619397104899.660.190970.189330.22099RANDOM31.385
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]
-0.01-0.01-0.010.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.696
r_dihedral_angle_3_deg16.6
r_dihedral_angle_4_deg11.703
r_dihedral_angle_1_deg7.101
r_scangle_it5.773
r_scbond_it4.154
r_mcangle_it2.298
r_angle_refined_deg1.844
r_mcbond_it1.287
r_chiral_restr0.146
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.696
r_dihedral_angle_3_deg16.6
r_dihedral_angle_4_deg11.703
r_dihedral_angle_1_deg7.101
r_scangle_it5.773
r_scbond_it4.154
r_mcangle_it2.298
r_angle_refined_deg1.844
r_mcbond_it1.287
r_chiral_restr0.146
r_bond_refined_d0.025
r_gen_planes_refined0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1805
Nucleic Acid Atoms
Solvent Atoms70
Heterogen Atoms16

Software

Software
Software NamePurpose
CBASSdata collection
SHELXDphasing
SHELXEmodel building
ARP/wARPmodel building
CCP4model building
Cootmodel building
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
CCP4phasing