4JPQ

Crystal structure of a putative carbohydrate-binding protein (BACUNI_03838) from Bacteroides uniformis ATCC 8492 at 2.70 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	10.5	277	0.2000M lithium sulfate, 2.0000M ammonium sulfate, 0.1M CAPS pH 10.5, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.26	62.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 96.86	α = 90
b = 96.86	β = 90
c = 137.644	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	PIXEL	DECTRIS PILATUS 6M	Flat mirror (vertical focusing); single crystal Si(111) bent monochromator (horizontal focusing)	2013-01-23	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837,0.97941,0.97858	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	2.7	29.23	99.2	0.095	13.68			18547		-3	73.497

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	2.7	2.8	97.2		0.01	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	2.7	29.23	18497	946	99.29	0.2071	0.2056	0.2381	RANDOM	69.301

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]
3.25			3.25		-6.5

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.643
r_dihedral_angle_3_deg	11.756
r_dihedral_angle_4_deg	11.344
r_mcangle_it	6.667
r_mcbond_it	4.7
r_mcbond_other	4.7
r_dihedral_angle_1_deg	4.048
r_angle_refined_deg	1.768
r_angle_other_deg	1.248
r_chiral_restr	0.103

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.643
r_dihedral_angle_3_deg	11.756
r_dihedral_angle_4_deg	11.344
r_mcangle_it	6.667
r_mcbond_it	4.7
r_mcbond_other	4.7
r_dihedral_angle_1_deg	4.048
r_angle_refined_deg	1.768
r_angle_other_deg	1.248
r_chiral_restr	0.103
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.004
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3431
Nucleic Acid Atoms
Solvent Atoms	29
Heterogen Atoms	72

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 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.