8PZ4

Structure of alginate transporter, AlgE, solved at wavelength 2.755 A


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1LIPIDIC CUBIC PHASE7.52930.1 M TRIS-HCL, PH 7.5, 0.1 M SODIUM CITRATE, 18 %(W/V) PEG 400. PROTEIN WAS MIXED WITH 7.8 MAG AT RATIO 1:1 (W:W) TO FORM CUBIC PHASE.
Crystal Properties
Matthews coefficientSolvent content
2.2645.69

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.35α = 90
b = 74.69β = 102.48
c = 115.9γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray80PIXELDECTRIS PILATUS 12M2017-08-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I232.755DiamondI23

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)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
11.7756.5896.760.99927.3226.78802323.7
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.771.8330.903

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONSADFREE R-VALUE1.7756.581.3788023399896.140.18970.18770.233930.43
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d16.866
f_angle_d0.9738
f_chiral_restr0.0602
f_plane_restr0.0071
f_bond_d0.0068
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3683
Nucleic Acid Atoms
Solvent Atoms189
Heterogen Atoms286

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
SHELXDEphasing