3U1X

Crystal structure of a putative glycosyl hydrolase (BDI_1869) from Parabacteroides distasonis ATCC 8503 at 1.70 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277	0.1M MES pH 6, 30% polyethylene glycol 6000, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2	38.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.69	α = 92.98
b = 41.214	β = 91.64
c = 77.324	γ = 117.97

Symmetry
Space Group	P 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	Vertical focusing mirror; double crystal Si(111) monochromator	2011-07-05	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 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	1.7	27.459	93.2	0.051	12	3.9		44063		-3	18.403

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	1.7	1.76	83		0.521	1.58

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	1.7	27.459	44063	2234	95.18	0.1597	0.1578	0.1967	RANDOM	22.8359

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]
-0.38	-0.03	-0.31	0.39	0.04	-0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.134
r_dihedral_angle_3_deg	12.987
r_torsion_it	7.599
r_dihedral_angle_1_deg	7.311
r_dihedral_angle_4_deg	4.959
r_angle_it	4.332
r_bond_it	2.85
r_angle_others	2.612
r_angle_refined_deg	1.346
r_angle_other_deg	0.864

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.134
r_dihedral_angle_3_deg	12.987
r_torsion_it	7.599
r_dihedral_angle_1_deg	7.311
r_dihedral_angle_4_deg	4.959
r_angle_it	4.332
r_bond_it	2.85
r_angle_others	2.612
r_angle_refined_deg	1.346
r_angle_other_deg	0.864
r_bond_other	0.621
r_chiral_restr	0.089
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3581
Nucleic Acid Atoms
Solvent Atoms	431
Heterogen Atoms	20

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
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.