6CZ8

The arsenate respiratory reductase (Arr) complex from Shewanella sp. ANA-3 bound to arsenate


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICROBATCH29310 mg/ml protein, 15% PEG 2000 MME, 150 mM KSCN, 50 mM HEPES (adjusted to pH 7.5 with NaOH), 5 mM disodium arsenate, microseeded; cryo protected in 30% PEG 2000 MME, 100 mM KSCN, 1 M sodium formate, 50 mM MES (pH 6.0), 5 mM disodium arsenate
Crystal Properties
Matthews coefficientSolvent content
2.5351.29

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 233.162α = 90
b = 86.344β = 127.67
c = 148.221γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2017-11-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL12-21SSRLBL12-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Rpim I (All)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
11.7839.199.850.03415.946.8222359
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.781.84499.840.3032.357

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-FreeMean Isotropic B
X-RAY DIFFRACTIONFREE R-VALUE1.7839.1222338278499.730.13760.13720.1681
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms16257
Nucleic Acid Atoms
Solvent Atoms2241
Heterogen Atoms331

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing