4EFF

Crystal structure of aromatic-amino-acid aminotransferase from Burkholderia pseudomallei

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	290	Emerald Bio JCSG+ screen: 14.4% PEG8000, 160 mM calcium acetate, 20% glycerol, Bupse.01471.a.A1 PW 34948 at 36.1 mg/mL, pH 7.50, VAPOR DIFFUSION, SITTING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.19	α = 90
b = 66.19	β = 90
c = 156.86	γ = 120

Symmetry
Space Group	P 31 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	MARMOSAIC 300 mm CCD		2012-03-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97860	APS	21-ID-G

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	1.85	50	99.5	0.078	0.078	20.49	7.3	34894	34726		-3	22.96

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	1.85	1.9	100		0.524	0.524	3.9	7.2	2525

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3FSL, CHAIN A	1.85	50	34894	34713	1746		0.187	0.187	0.185	0.216	RANDOM	14.51

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]
0.13	0.06		0.13		-0.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.034
r_dihedral_angle_4_deg	15.42
r_dihedral_angle_3_deg	12.701
r_dihedral_angle_1_deg	5.423
r_angle_refined_deg	1.526
r_angle_other_deg	0.962
r_chiral_restr	0.087
r_bond_refined_d	0.013
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001
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_scbond_it
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2789
Nucleic Acid Atoms
Solvent Atoms	285
Heterogen Atoms	6

Software

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