4KVD

Crystal structure of Aspergillus terreus aristolochene synthase complexed with (4aS,7S)-1,4a-dimethyl-7-(prop-1-en-2-yl)decahydroquinolin-1-ium


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2OA6PDB ENTRY 2OA6

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP72773 uL protein (10 mg/mL ATAS, 20 mM MES, pH 6.5, 1.9 mM magnesium chloride, 120 mM sodium chloride, 3 mM BME, 1.6 mM sodium pyrophosphate, 1.5 mM inhibitor) + 3 uL precipitant (100 mM Bis-Tris, pH 7.0, 200 mM lithium sulfate, 27% w/v PEG3350) against 500 uL precipitant, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.0459.57

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 122.788α = 90
b = 122.788β = 90
c = 202.532γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6MMeridionally-bent fused silica mirror with palladium and uncoated stripes vertically-focusing at 6.6:1 demagnification2012-06-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X251.075NSLSX25

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
12.4501000.0940.0943011.269660-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.42.491000.2770.2779.3339.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 2OA62.4501.356970269619351799.90.17430.17430.2123random28
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_d21
f_improper_angle_d1.1
f_angle_deg0.8
f_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9816
Nucleic Acid Atoms
Solvent Atoms980
Heterogen Atoms133

Software

Software
Software NamePurpose
CBASSdata collection
PHASERphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling