4EIU

Crystal structure of a DUF3823 family protein (BACUNI_03093) from Bacteroides uniformis ATCC 8492 at 1.90 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	9.5	277	50.0% polyethylene glycol 200, 0.1M CHES pH 9.5, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.49	64.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.895	α = 90
b = 83.895	β = 90
c = 112.365	γ = 90

Symmetry
Space Group	P 41 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	MARMOSAIC 325 mm CCD	Vertical focusing mirror; double crystal Si(111) monochromator	2012-03-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL14-1		SSRL	BL14-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	29.661	99.9	0.095	12.4	11.9	32310	32310			33.31

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	1.9	1.95	100		0.972	0.972	2.6	11.9	2347

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	1.9	29.661	32242	1634	99.88	0.1803	0.1789	0.2065	RANDOM	59.1033

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]
1.74			1.74		-3.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.489
r_dihedral_angle_4_deg	15.966
r_dihedral_angle_3_deg	11.566
r_dihedral_angle_1_deg	7.091
r_angle_refined_deg	1.675
r_angle_other_deg	0.941
r_chiral_restr	0.094
r_bond_refined_d	0.015
r_gen_planes_refined	0.008
r_bond_other_d	0.003

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.489
r_dihedral_angle_4_deg	15.966
r_dihedral_angle_3_deg	11.566
r_dihedral_angle_1_deg	7.091
r_angle_refined_deg	1.675
r_angle_other_deg	0.941
r_chiral_restr	0.094
r_bond_refined_d	0.015
r_gen_planes_refined	0.008
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1911
Nucleic Acid Atoms
Solvent Atoms	142
Heterogen Atoms	97

Software

Software
Software Name	Purpose
MolProbity	model building
PDB_EXTRACT	data extraction
SHELX	phasing
SHARP	phasing
SCALA	data scaling
REFMAC	refinement
MOSFLM	data reduction
SHELXD	phasing
autoSHARP	phasing

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.