2CAN

HUMAN ORNITHINE AMINOTRANSFERASE COMPLEXED WITH L-CANALINE

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		pH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.68	51.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 115.915	α = 90
b = 115.915	β = 90
c = 185.729	γ = 120

Symmetry
Space Group	P 32 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	110	CCD	PRINCETON 2K	DUAL SLITS	1996-01-10	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE A1		CHESS	A1

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	2.3	50	87.4	0.098	0.098	13.7	4.3		56813		2	23.2

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)
1	2.3	2.38	66.3		0.18	0.18	5.33	3.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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 ENTRY 1OAT	2.3	50	2	54424	5474	84.1	0.212	0.212	0.238	RANDOM	28.7

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]
2.77	1.76		2.77		-5.53

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	23.5
x_scangle_it	3.06
x_mcangle_it	2.09
x_scbond_it	2.03
x_angle_deg	1.3
x_mcbond_it	1.29
x_improper_angle_d	1.25
x_bond_d	0.007
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9450
Nucleic Acid Atoms
Solvent Atoms	276
Heterogen Atoms	72

Software

Software
Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling
X-PLOR	phasing