2LE2

Novel dimeric structure of phage phi29-encoded protein p56: Insights into Uracil-DNA glycosylase inhibition

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	0.5 mM p56, 100 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	0.13	5	ambient	308
2	2D 1H-1H NOESY	0.5 mM p56, 100 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	0.13	5	ambient	308
3	2D 1H-1H COSY	0.5 mM p56, 100 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	0.13	5	ambient	308
4	2D 1H-1H NOESY	0.5 mM p56, 100 mM sodium chloride, 10 mM sodium phosphate	100% D2O	0.13	5	ambient	308
5	2D 1H-15N HSQC	0.5 mM [U-98% 13C; U-98% 15N] p56, 100 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	0.13	5	ambient	308
6	3D HNCACB	0.5 mM [U-98% 13C; U-98% 15N] p56, 100 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	0.13	5	ambient	308
7	3D CBCA(CO)NH	0.5 mM [U-98% 13C; U-98% 15N] p56, 100 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	0.13	5	ambient	308

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800
2	Bruker	DMX	600

NMR Refinement
Method	Details	Software
simulated annealing		XEASY

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	30
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	XEASY		Bartels et al.
2	structure solution	DYANA		Guntert, Braun and Wuthrich
3	refinement	Amber		Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollm