3CLI

Crystal Structure of Arabidopsis thaliana Allene Oxide Synthase (AOS, cytochrome P450 74A, CYP74A) at 1.80 A Resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	PEG 4000, Glycerol, Tris-HCl, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.639	α = 90
b = 105.192	β = 90
c = 162.295	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 210		2007-03-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	0.9795	ALS	8.3.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.8	100	99.2			100757	100757

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.8	1.84	97.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.8	88.39	95613	95613	5023	99	0.171	0.171	0.17	0.198	RANDOM	24.04

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]
0.7			-0.3		-0.4

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.141
r_dihedral_angle_4_deg	17.439
r_dihedral_angle_3_deg	13.55
r_dihedral_angle_1_deg	5.987
r_scangle_it	3.737
r_scbond_it	2.425
r_mcangle_it	1.403
r_angle_refined_deg	1.372
r_mcbond_it	0.901
r_nbtor_refined	0.305
r_nbd_refined	0.204
r_symmetry_vdw_refined	0.157
r_symmetry_hbond_refined	0.142
r_xyhbond_nbd_refined	0.136
r_chiral_restr	0.097
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7418
Nucleic Acid Atoms
Solvent Atoms	647
Heterogen Atoms	92

Software

Software
Software Name	Purpose
ADSC	data collection
SHARP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling