3DY5

Allene oxide synthase 8R-lipoxygenase from Plexaura homomalla

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	295	The drops were prepared with 2:1:1 mixtures of protein (5 mg/mL in 4 mM CaCl2), detergent (1.8 mM Triton X-100), and precipitant (16% PEG 3350, 4% Tacsimate pH 6.0), VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.73	54.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 235.52	α = 90
b = 77.493	β = 112.45
c = 157.966	γ = 90

Symmetry
Space Group	C 1 2 1

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	MAR CCD 165 mm			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CAMD BEAMLINE GCPCC	1.38000	CAMD	GCPCC

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	3.5	39.2	98.2	0.135		3.4		32748		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.5	3.63	86.8		0.364	1.84	2.6	2833

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entries 2FNQ, 1U5U	3.51	20.86	30961	1644	98.09	0.27513	0.27264	0.32191	RANDOM	2.001

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]
-1.45		-4.14	-0.56		-1.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.532
r_dihedral_angle_4_deg	18.671
r_dihedral_angle_3_deg	18.552
r_dihedral_angle_1_deg	5.509
r_angle_refined_deg	1.234
r_symmetry_vdw_refined	0.349
r_nbtor_refined	0.317
r_nbd_refined	0.253
r_xyhbond_nbd_refined	0.176
r_chiral_restr	0.082
r_symmetry_hbond_refined	0.08
r_metal_ion_refined	0.048
r_bond_refined_d	0.01
r_gen_planes_refined	0.003
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_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_scbond_it
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	16130
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	88

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345dtb	data collection
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing