3LWS

Crystal structure of Putative aromatic amino acid beta-eliminating lyase/threonine aldolase. (YP_001813866.1) from Exiguobacterium sp. 255-15 at 2.00 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5	277	0.2000M Mg(oAc)2, 20.0000% PEG-8000, 0.1M Cacodylate pH 6.5, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 142.15	α = 90
b = 142.15	β = 90
c = 102.71	γ = 120

Symmetry
Space Group	P 31

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 325 mm CCD	FLAT MIRROR (VERTICAL FOCUSING)	2008-08-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1		SSRL	BL11-1

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	46.53	99.9	0.158	9.92	7.7		156755		-3	24.16

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	2.05	99.9		0.95	2.3

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	SAD	THROUGHOUT	2	46.53	156744	7779	99.8	0.146	0.144	0.19	RANDOM + TWIN LAW	24.51

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]
3.73			3.73		-7.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.699
r_dihedral_angle_4_deg	15.019
r_dihedral_angle_3_deg	13.75
r_dihedral_angle_1_deg	5.707
r_scangle_it	5.477
r_scbond_it	3.724
r_mcangle_it	1.955
r_angle_refined_deg	1.543
r_mcbond_it	1.164
r_angle_other_deg	1.029
r_mcbond_other	0.63
r_chiral_restr	0.092
r_bond_refined_d	0.015
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.001
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	16931
Nucleic Acid Atoms
Solvent Atoms	1339
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing
autoSHARP	phasing