Experiment: 3G6S

Crystal structure of the endonuclease/exonuclease/phosphatase (BVU_0621) from Bacteroides vulgatus. Northeast Structural Genomics Consortium Target BvR56D

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH UNDER OIL	7	291	Protein solution: 10 mM Tris-HCl pH 7.5, 100 mM Sodium chloride, 5 mM DTT. Reservoir solution: 100 mM Bis-Tris propane pH 7.0, 30% PEG 8000, 60 mM Lithium sulfate, MICROBATCH UNDER OIL, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
3.09	60.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.601	α = 90
b = 75.601	β = 90
c = 66.715	γ = 90

Symmetry
Space Group	P 41

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	MAR CCD 165 mm	mirrors	2009-02-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4C	0.97877	NSLS	X4C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.5	30	99.6	0.12	0.096	18.01	6.8	25328	25328			23.6

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)
	2.5	2.59	97.5		0.414	0.375	2.75	5.1	2567

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.5	19.43	2	25328	21393	1018	84.2	0.182	0.18	0.18	0.234	0.2227	RANDOM	37.2

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]
-7.84			-7.84		15.68

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.6
c_angle_deg	1.2
c_improper_angle_d	0.76
c_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2099
Nucleic Acid Atoms
Solvent Atoms	83
Heterogen Atoms

Software

Software
Software Name	Purpose
ADSC	data collection
SHELXD	phasing
SOLVE	phasing
RESOLVE	model building
CNS	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
RESOLVE	phasing