1K2M

Solution Structure of the FHA2 Domain of Rad53 Complexed with a Phosphotyrosyl Peptide Derived from Rad9

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; 1mM phosphotyrosyl peptide of Rad9; 10 mM sodium phosphate (pH 6.5), 1 mM DTT, and 1 mM EDTA	95% H2O/5% D2O	10 mM sodium phosphate(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; 1mM phosphotyrosyl peptide of Rad9; 10 mM sodium phosphate (pH 6.5), 1 mM DTT, and 1 mM EDTA	95% H2O/5% D2O	10 mM sodium phosphate(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 complex structures are generated using a total of 3398 restraints, 3210 distance restraints, and 188 TOLOS-derived dihedral angle restraints.	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	22

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