4DWE

Crystal structure of a putative polysaccharide deacetylase (BACOVA_03992) from Bacteroides ovatus ATCC 8483 at 2.01 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	277	0.17M sodium acetate, 25.5% polyethylene glycol 4000, 15.0% Glycerol, 0.1M tris hydrochloride pH 8.5, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.762	α = 90
b = 72.975	β = 90
c = 95.424	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M	Flat mirror (vertical focusing); single crystal Si(111) bent monochromator (horizontal focusing)	2012-02-08	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837,0.9796,0.97925	SSRL	BL11-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.01	29.571	97	0.094	7.17			32317		-3	21.32

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.01	2.08	95.2		0.437	1.8

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	2.01	29.571	32268	1596	98.78	0.1509	0.1486	0.1936	RANDOM	30.3165

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]
1.5			-1.8		0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.675
r_dihedral_angle_4_deg	19.572
r_dihedral_angle_3_deg	12.441
r_dihedral_angle_1_deg	7.203
r_angle_refined_deg	1.77
r_angle_other_deg	1.371
r_chiral_restr	0.108
r_bond_refined_d	0.017
r_gen_planes_refined	0.008
r_bond_other_d	0.004

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.675
r_dihedral_angle_4_deg	19.572
r_dihedral_angle_3_deg	12.441
r_dihedral_angle_1_deg	7.203
r_angle_refined_deg	1.77
r_angle_other_deg	1.371
r_chiral_restr	0.108
r_bond_refined_d	0.017
r_gen_planes_refined	0.008
r_bond_other_d	0.004
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3745
Nucleic Acid Atoms
Solvent Atoms	426
Heterogen Atoms	42

Software

Software
Software Name	Purpose
MolProbity	model building
PDB_EXTRACT	data extraction
SHELX	phasing
SHARP	phasing
XSCALE	data scaling
REFMAC	refinement
XDS	data reduction
SHELXD	phasing

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.