4HW6

Crystal structure of an auxiliary nutrient binding protein (BACOVA_00264) from Bacteroides ovatus ATCC 8483 at 1.70 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	9	277	2.0M magnesium chloride, 0.1M Sodium Iodide, 0.1M Bicine pH 9.0, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 104.294	α = 90
b = 81.554	β = 108.6
c = 128.532	γ = 90

Symmetry
Space Group	P 1 21 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	ADSC QUANTUM 315	KOHZU: Double Crystal Si(111)	2012-09-20	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	0.918401, 0.979338	ALS	8.2.2

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	1.7	29.894	99.9	0.106	8.9	3.7	224161	224161

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	1.7	1.74	99.8		0.959	0.959	0.7	3.7	16489

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	1.7	29.894	224086	11237	99.87	0.1507	0.1492	0.1789	RANDOM	28.5088

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]
0.13		-0.25	-0.41		0.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.591
r_dihedral_angle_4_deg	15.127
r_dihedral_angle_3_deg	12.129
r_dihedral_angle_1_deg	6.374
r_angle_refined_deg	1.299
r_angle_other_deg	0.831
r_chiral_restr	0.083
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.591
r_dihedral_angle_4_deg	15.127
r_dihedral_angle_3_deg	12.129
r_dihedral_angle_1_deg	6.374
r_angle_refined_deg	1.299
r_angle_other_deg	0.831
r_chiral_restr	0.083
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13447
Nucleic Acid Atoms
Solvent Atoms	1973
Heterogen Atoms	82

Software

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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.