6CZA

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


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICROBATCH629310 mg/ml protein, 15% PEG 2000 MME, 150 mM KSCN, 50 mM HEPES (adjusted to pH 7.5 with NaOH), 5 mM disodium phosphate, microseeded; cryo protected in 30% PEG 2000 MME, 100 mM KSCN, 1 M sodium formate, 50 mM MES (pH 6.0), 5 mM disodium phosphate
Crystal Properties
Matthews coefficientSolvent content
2.5150.92

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 232.397α = 90
b = 86.366β = 127.61
c = 147.429γ = 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
11.7137.798.330.0315.716.9245023
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)
11.711.77195.720.3116.66.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUED_10002330671.7137.7245002310998.330.1320.13170.1535
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 Atoms16315
Nucleic Acid Atoms
Solvent Atoms2378
Heterogen Atoms335

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing