7N2W

The crystal structure of an FMN-dependent NADH-azoreductase, AzoA in complex with Red 40


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6DXP 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP9.52911.26 M ammonium sulfate, 0.2 M NaCl and 0.1 M CHES pH 9.5
Crystal Properties
Matthews coefficientSolvent content
2.2344.81

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 60.407α = 90
b = 83.336β = 100.26
c = 87.305γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCDKB MIRRORS2018-03-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 31-ID0.98APS31-ID

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
12.6519.9696.20.1745.43.52395234.63
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)
12.652.7881.40.7032.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT6DXP2.6519.961.3523893120596.20.2520.2490.30238.71
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 Atoms6003
Nucleic Acid Atoms
Solvent Atoms44
Heterogen Atoms244

Software

Software
Software NamePurpose
PHENIXrefinement
MOSFLMdata reduction
Aimlessdata scaling
PDB_EXTRACTdata extraction
PHASERphasing