3BTN

Crystal structure of antizyme inhibitor, an ornithine decarboxylase homologous protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH UNDER OIL	8	292	0.2M CaCl2, 0.1M Tris-HCl, 6% PEG 6000, 13mM 2,6-Dimethyl-4-heptyl-beta-D-maltoside, pH 8.0, MICROBATCH UNDER OIL, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.769	α = 90
b = 98.389	β = 90
c = 117.331	γ = 90

Symmetry
Space Group	P 21 21 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	ADSC QUANTUM 4	Toroidal Zerodur mirror	2006-12-04	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.97900, 0.98000, 0.97600	ESRF	ID14-4

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)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.04	50	100	0.094	0.075	26.7	14.4		68784

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)	Redundancy	Number Unique Reflections (All)
	2.04	2.11	99.8		0.418	0.398	5.8	12.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	2.05	50	64688	3447	99.9	0.2	0.198	0.241	RANDOM	28.46

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]
-0.42			0.59		-0.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.643
r_dihedral_angle_4_deg	24.352
r_dihedral_angle_3_deg	17.833
r_dihedral_angle_1_deg	10.085
r_scangle_it	6.557
r_scbond_it	4.752
r_mcangle_it	3.172
r_angle_refined_deg	2.53
r_mcbond_it	2.129
r_symmetry_hbond_refined	0.45
r_nbtor_refined	0.318
r_nbd_refined	0.231
r_chiral_restr	0.215
r_symmetry_vdw_refined	0.196
r_xyhbond_nbd_refined	0.163
r_bond_refined_d	0.035
r_gen_planes_refined	0.013
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	6091
Nucleic Acid Atoms
Solvent Atoms	192
Heterogen Atoms

Software

Software
Software Name	Purpose
SOLVE	phasing
REFMAC	refinement
ADSC	data collection
HKL-2000	data reduction
SCALEPACK	data scaling