3G3L

Crystal structure of putative membrane-associated protein of unknown function (YP_211325.1) from Bacteroides fragilis NCTC 9343 at 2.20 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	277	1.6000M (NH4)2SO4, 0.1M Citrate pH 5.0, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
4.28	71.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 107.621	α = 90
b = 107.621	β = 90
c = 89.296	γ = 120

Symmetry
Space Group	P 32 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 325 mm CCD	Flat collimating mirror, toroid focusing mirror	2008-12-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2		SSRL	BL9-2

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	2.2	29.761	100	0.134	0.134	11.8	7.4		30727			37.005

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	2.2	2.26	100		0.931	0.931	2.2	7.5	2235

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	2.2	29.761	30702	1548	99.94	0.172	0.17	0.206	RANDOM	45.235

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]
1.4	0.7		1.4		-2.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.656
r_dihedral_angle_3_deg	10.069
r_scangle_it	6.79
r_dihedral_angle_4_deg	5.727
r_scbond_it	4.528
r_dihedral_angle_1_deg	4.112
r_mcangle_it	2.348
r_angle_refined_deg	1.745
r_angle_other_deg	1.217
r_mcbond_it	1.148

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.656
r_dihedral_angle_3_deg	10.069
r_scangle_it	6.79
r_dihedral_angle_4_deg	5.727
r_scbond_it	4.528
r_dihedral_angle_1_deg	4.112
r_mcangle_it	2.348
r_angle_refined_deg	1.745
r_angle_other_deg	1.217
r_mcbond_it	1.148
r_mcbond_other	0.198
r_chiral_restr	0.102
r_bond_refined_d	0.016
r_gen_planes_refined	0.007
r_bond_other_d	0.004
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2170
Nucleic Acid Atoms
Solvent Atoms	207
Heterogen Atoms	59

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
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.