4ADD

Structural and functional study of succinyl-ornithine transaminase from E. coli

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		PREVIOUSLY-DETERMINED NATIVE

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		9	293	1.5 M AMMONIUM SULFATE, 10% (V/V) MMT (MALATE-MES-TRIS) BUFFER AT PH 9.0, 293K, 150 PLUS 150 NL DROPS. PROTEIN HAD PLP AND SUCCINYLORNITHINE PREVIOUSLY ADDED.

Crystal Properties
Matthews coefficient	Solvent content
3.43	64.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 183.938	α = 90
b = 118.264	β = 96.82
c = 109.238	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	ADSC QUANTUM 315		2011-06-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2		Australian Synchrotron	MX2

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	2.45	19.8	99.8	0.15	10.6	5.9		85143		1

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	2.45	2.58	100		0.63	2.9	5.9

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	PREVIOUSLY-DETERMINED NATIVE	2.45	108.46	80886	4254	99.77	0.17303	0.17026	0.22534	RANDOM	28.142

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]
-1.36		0.62	3.52		-2.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.408
r_dihedral_angle_4_deg	20.644
r_dihedral_angle_3_deg	19.439
r_dihedral_angle_1_deg	7.172
r_angle_refined_deg	2.095
r_chiral_restr	0.145
r_bond_refined_d	0.018
r_gen_planes_refined	0.01
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12144
Nucleic Acid Atoms
Solvent Atoms	320
Heterogen Atoms	124

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing