2PYT

Crystal structure of a putative ethanolamine utilization protein q (eutq, stm2468) from salmonella typhimurium lt2 at 1.90 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	9	277	NANODROP, 2.4M (NH4)2SO4, 0.1M Bicine pH 9.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.02	38.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.151	α = 109.99
b = 39.043	β = 104.79
c = 44.923	γ = 95.38

Symmetry
Space Group	P 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 325 mm CCD	Flat mirror (vertical focusing)	2007-05-03	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837, 0.97901, 0.97929	SSRL	BL11-1

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	1.9	28.49	97	0.096	0.096	3.4	2		17651

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)
	1.9	1.95	96.3		0.335	0.335	0.8	2	1313

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	MAD	THROUGHOUT	1.9	28.49	17650	895	97	0.175	0.173	0.224	RANDOM	16.245

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]
-0.57	-0.93	-2.29	-1.2	0.02	0.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.636
r_dihedral_angle_3_deg	12.659
r_dihedral_angle_4_deg	10.747
r_scangle_it	7.082
r_scbond_it	5.565
r_dihedral_angle_1_deg	5.291
r_mcangle_it	3.086
r_mcbond_it	2.42
r_angle_refined_deg	1.677
r_angle_other_deg	1.064
r_mcbond_other	0.538
r_symmetry_vdw_other	0.218
r_nbd_other	0.177
r_nbtor_refined	0.176
r_nbd_refined	0.166
r_symmetry_vdw_refined	0.149
r_symmetry_hbond_refined	0.146
r_xyhbond_nbd_refined	0.141
r_chiral_restr	0.101
r_nbtor_other	0.081
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1913
Nucleic Acid Atoms
Solvent Atoms	185
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SOLVE	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction