1FHR

SOLUTION STRUCTURE OF THE FHA2 DOMAIN OF RAD53 COMPLEXED WITH A PHOSPHOTYROSYL PEPTIDE

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-separated_NOESY	0.5 mM FHA2 U-15N,13C; 1 mM phosphotyrosyl peptide of Rad9; 10 mM sodium phosphate buffer (pH 6.5), 1 mM DTT,and 1 mM EDTA	95% H2O/5% D2O	10 mM sodium phosphate buffer (pH 6.5), 1 mM DTT,and 1 mM EDTA	6.5	ambient	293
2	3D_15N-separated_NOESY	0.5 mM FHA2 U-15N,13C; 1 mM phosphotyrosyl peptide of Rad9; 10 mM sodium phosphate buffer (pH 6.5), 1 mM DTT,and 1 mM EDTA	95% H2O/5% D2O	10 mM sodium phosphate buffer (pH 6.5), 1 mM DTT,and 1 mM EDTA	6.5	ambient	293

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	800

NMR Refinement
Method	Details	Software
simulated annealing	The structures are based on a total of 3346 restraints, 3158 distance constraints, and 188 TALOS-derived dihedral angle restraints	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	60
Conformers Submitted Total Number	20
Representative Model	20 (minimized average structure)

Additional NMR Experimental Information
Details	The structure was determined using triple-resonance NMR spectroscopy.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Bruker
2	processing	XwinNMR	2.6	Bruker
3	structure solution	X-PLOR	3.851	Brunger
4	refinement	X-PLOR	3.851	Brunger