Drosophila AHR PAS-B (M284C/Y336L)-ARNT PAS-B heterodimer bound to alpha-naphthoflavone


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7VNI 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP2910.1 M sodium arsenate (pH 6.5), 0.2 M magnesium chloride, and 1.2 M ammonium sulfate
Crystal Properties
Matthews coefficientSolvent content
2.8957.46

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 109.641α = 90
b = 107.29β = 123.67
c = 62.268γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2025-08-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRF BEAMLINE BL17U10.975SSRFBL17U1

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
12.621.299.20.985.84.318136
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)
12.62.70.66

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE2.621.21813683799.20.230.23720.290.2883
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_d4.988
f_angle_d0.599
f_chiral_restr0.04
f_plane_restr0.004
f_bond_d0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3417
Nucleic Acid Atoms
Solvent Atoms14
Heterogen Atoms59

Software

Software
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
HKL-3000data reduction
HKL-3000data scaling
PHASERphasing