4OGZ

Crystal structure of a putative alpha-galactosidase/melibiase (BF4189) from Bacteroides fragilis NCTC 9343 at 2.00 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.2	293	50.0% polyethylene glycol 200, 0.2M sodium chloride, 0.1M phosphate-citrate pH 4.2, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.955	α = 90
b = 170.874	β = 106.71
c = 52.619	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)	2013-10-17	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	0.918401,0.979183	ALS	8.2.1

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	56.958	100	0.183	4.1	3.7	57998	57998

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	2.05	100		0.012	1.176	0.4	3.7	4290

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	56.958	57884	2942	99.87	0.1708	0.1692	0.2006	RANDOM	24.5617

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]
1.28		-2.31	-1.12		0.45

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.118
r_dihedral_angle_3_deg	14.84
r_dihedral_angle_4_deg	14.607
r_dihedral_angle_1_deg	6.458
r_angle_refined_deg	1.543
r_angle_other_deg	0.943
r_chiral_restr	0.054
r_bond_refined_d	0.013
r_gen_planes_refined	0.008
r_bond_other_d	0.004

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.118
r_dihedral_angle_3_deg	14.84
r_dihedral_angle_4_deg	14.607
r_dihedral_angle_1_deg	6.458
r_angle_refined_deg	1.543
r_angle_other_deg	0.943
r_chiral_restr	0.054
r_bond_refined_d	0.013
r_gen_planes_refined	0.008
r_bond_other_d	0.004
r_gen_planes_other	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7200
Nucleic Acid Atoms
Solvent Atoms	462
Heterogen Atoms	81

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 R01GM133198.