2OBB

Structure of the conserved protein coded by locus BT_0820 from Bacteroides thetaiotaomicron

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	291	0.2M MgCl2, 0.1M Bis-Tris pH 6.5, 25% PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.47	50.21

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.898	α = 90
b = 50.898	β = 90
c = 129.386	γ = 90

Symmetry
Space Group	P 43 21 2

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	ADSC QUANTUM 315		2005-12-21	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97906, 0.97923	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.2	32.34	94.1	9	14.3	8658	8658		-3	42.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.26	65.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	2.2	32.34	8250	8250	407	94.24	0.21382	0.21382	0.21227	0.24475	RANDOM	64.062

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]
2.28			2.28		-4.55

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.437
r_dihedral_angle_3_deg	16.549
r_dihedral_angle_4_deg	13.725
r_dihedral_angle_1_deg	6.713
r_scangle_it	3.078
r_scbond_it	1.947
r_angle_refined_deg	1.437
r_mcangle_it	1.326
r_mcbond_it	0.844
r_nbtor_refined	0.316

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.437
r_dihedral_angle_3_deg	16.549
r_dihedral_angle_4_deg	13.725
r_dihedral_angle_1_deg	6.713
r_scangle_it	3.078
r_scbond_it	1.947
r_angle_refined_deg	1.437
r_mcangle_it	1.326
r_mcbond_it	0.844
r_nbtor_refined	0.316
r_nbd_refined	0.217
r_symmetry_vdw_refined	0.164
r_symmetry_hbond_refined	0.139
r_xyhbond_nbd_refined	0.125
r_chiral_restr	0.107
r_metal_ion_refined	0.094
r_bond_refined_d	0.014
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1000
Nucleic Acid Atoms
Solvent Atoms	83
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELX	phasing
autoSHARP	phasing
ARP/wARP	model building
Coot	model building

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.