4HET

Crystal structure of a putative glycoside hydrolase (BT3745) from Bacteroides thetaiotaomicron VPI-5482 at 2.10 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277	0.20M magnesium nitrate, 20.00% polyethylene glycol 3350, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.75	67.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 180.385	α = 90
b = 180.385	β = 90
c = 63.752	γ = 120

Symmetry
Space Group	P 61

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	2012-08-09	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	2.1	29.522	100	0.097	11.4	7.6	69380	69380			40.023

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	2.1	2.15	100		0.838	0.838	2.4	7.6	5121

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	2.1	29.522	69354	3508	99.94	0.1797	0.1782	0.2073	RANDOM	66.9896

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]
1.32	0.66		1.32		-1.99

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.054
r_dihedral_angle_4_deg	14.847
r_dihedral_angle_3_deg	11.415
r_dihedral_angle_1_deg	3.858
r_angle_refined_deg	1.611
r_angle_other_deg	0.998
r_chiral_restr	0.094
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.003

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.054
r_dihedral_angle_4_deg	14.847
r_dihedral_angle_3_deg	11.415
r_dihedral_angle_1_deg	3.858
r_angle_refined_deg	1.611
r_angle_other_deg	0.998
r_chiral_restr	0.094
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.003
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5307
Nucleic Acid Atoms
Solvent Atoms	362
Heterogen Atoms	8

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 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 R01GM157729.