3DSI

Crystal Structure of Arabidopsis thaliana Allene Oxide Synthase (AOS, cytochrome P450 74A, CYP74A) Complexed with 13(S)-HOT at 1.60 A resolution


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3CLIPDB ENTRY 3CLI

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.5293PEG4000, Glycerol, Tris-HCl, pH7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.4249.18

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 63.407α = 90
b = 104.851β = 90
c = 162.417γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCD2007-08-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-21.0332SSRLBL9-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.610099.6143678143678
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.61.6399.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUTPDB ENTRY 3CLI1.688.04136373136373719999.350.167670.167670.166720.18548RANDOM20.979
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]
0.45-0.690.24
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.935
r_dihedral_angle_4_deg15.364
r_dihedral_angle_3_deg12.088
r_dihedral_angle_1_deg5.595
r_scangle_it3.145
r_scbond_it1.982
r_angle_refined_deg1.263
r_mcangle_it1.158
r_mcbond_it0.693
r_nbtor_refined0.31
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.935
r_dihedral_angle_4_deg15.364
r_dihedral_angle_3_deg12.088
r_dihedral_angle_1_deg5.595
r_scangle_it3.145
r_scbond_it1.982
r_angle_refined_deg1.263
r_mcangle_it1.158
r_mcbond_it0.693
r_nbtor_refined0.31
r_symmetry_vdw_refined0.206
r_nbd_refined0.205
r_xyhbond_nbd_refined0.125
r_symmetry_hbond_refined0.097
r_chiral_restr0.083
r_bond_refined_d0.009
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7426
Nucleic Acid Atoms
Solvent Atoms807
Heterogen Atoms141

Software

Software
Software NamePurpose
REFMACrefinement
Blu-Icedata collection
HKL-2000data reduction
HKL-2000data scaling
REFMACphasing