1BW0

CRYSTAL STRUCTURE OF TYROSINE AMINOTRANSFERASE FROM TRYPANOSOMA CRUZI

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		DIALYSIS OF 2.6 MG/ML PROTEIN AGAINST 25 % (W/W) PEG 8000, 5 MM PLP, 0.1 M PHOSPHATE/CITRATE, PH 7.0, 285 K

Crystal Properties
Matthews coefficient	Solvent content
2.5	51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.6	α = 90
b = 102.2	β = 110.3
c = 77.9	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	285	AREA DETECTOR	SIEMENS X1000	COLLIMATOR	1996-06-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	SIEMENS

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	2.5	10	78.4	0.051	17	1.7		24668			30.17

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)
	2.5	2.64	47		0.096	6	1.2

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1ART	2.5	10	24668	1264	78.4	0.157	0.214	RANDOM	25.19

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]
7.54		2.74	-0.76		-6.75

RMS Deviations
Key	Refinement Restraint Deviation
p_transverse_tor	30.7
p_staggered_tor	16.6
p_planar_tor	2.7
p_mcangle_it	1.307
p_scangle_it	1.287
p_scbond_it	0.738
p_mcbond_it	0.721
p_multtor_nbd	0.242
p_singtor_nbd	0.178
p_xyhbond_nbd	0.139
p_chiral_restr	0.081
p_angle_d	0.023
p_planar_d	0.02
p_plane_restr	0.0143
p_bond_d	0.006
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6472
Nucleic Acid Atoms
Solvent Atoms	118
Heterogen Atoms

Software

Software
Software Name	Purpose
AMoRE	phasing
REFMAC	refinement
X-GEN	data reduction
CCP4	data scaling