1ZVC

X-ray structure of allene oxide cyclase from arabidopsis thaliana AT3G25760

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1Z8K

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5	297	10 mg/ml protein, 18.4% PEG 4K, 0.160 M POTASSIUM BROMIDE, 0.100 M BISTRIS, vapor diffusion, hanging drop, temperature 297K, pH 6.50

Crystal Properties
Matthews coefficient	Solvent content
2.4	47.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.191	α = 90
b = 66.191	β = 90
c = 212.7	γ = 120

Symmetry
Space Group	H 3 2

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	MARMOSAIC 225 mm CCD	HORIZONTAL SAGITALLY FOCUSING 2ND BENT MONOCHROMATOR CRYSTAL, VERTICAL BENT FOCUSING MIRROR	2005-03-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM		APS	22-BM

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	1.79	50	99.5	0.08	19.62	9.7		17352

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	1.79	1.83	96.7		0.31	6.212	8.6

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	1Z8K	1.79	50	16437	875	99.1	0.239	0.236	0.283	RANDOM	30.87

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]
-0.93	-0.46		-0.93		1.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.594
r_dihedral_angle_3_deg	13.303
r_dihedral_angle_4_deg	12.672
r_dihedral_angle_1_deg	6.226
r_scangle_it	5.498
r_scbond_it	4.36
r_mcangle_it	2.867
r_mcbond_it	1.748
r_angle_refined_deg	1.238
r_nbtor_refined	0.307
r_symmetry_hbond_refined	0.203
r_nbd_refined	0.198
r_symmetry_vdw_refined	0.168
r_xyhbond_nbd_refined	0.15
r_chiral_restr	0.084
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
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	1337
Nucleic Acid Atoms
Solvent Atoms	136
Heterogen Atoms	1

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction