3UF7

Co-crystal structure of Escherichia coli uracil-DNA glycosylase and a C-terminal fragement of the single-stranded DNA-binding protein

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	1.4-1.8M NH4SO4, 0.01M MgCl2 & 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.8	56.04

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 118.204	α = 90
b = 118.204	β = 90
c = 47.098	γ = 90

Symmetry
Space Group	I 4

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	CCD	MARMOSAIC 300 mm CCD		2008-05-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97856	APS	21-ID-G

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	1.2	30	98.2	0.048	17.8	4.8		99762

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	1.2	1.22	83.9		0.417		2.4	4244

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1LQG	1.2	30	99629	4982	98.05	0.1401	0.1392	0.1561	RANDOM	22.0131

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]
-0.73			-0.73		1.45

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	53.609
r_dihedral_angle_2_deg	32.983
r_sphericity_bonded	20.49
r_dihedral_angle_4_deg	17.261
r_dihedral_angle_3_deg	12.171
r_dihedral_angle_1_deg	5.875
r_rigid_bond_restr	4.273
r_angle_refined_deg	1.749
r_chiral_restr	0.107
r_bond_refined_d	0.014

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	53.609
r_dihedral_angle_2_deg	32.983
r_sphericity_bonded	20.49
r_dihedral_angle_4_deg	17.261
r_dihedral_angle_3_deg	12.171
r_dihedral_angle_1_deg	5.875
r_rigid_bond_restr	4.273
r_angle_refined_deg	1.749
r_chiral_restr	0.107
r_bond_refined_d	0.014
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1848
Nucleic Acid Atoms
Solvent Atoms	311
Heterogen Atoms	20

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection

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.