1K2N

Solution Structure of the FHA2 domain of Rad53 Complexed with a Phosphothreonyl 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; 1.5 mM phosphothreonyl 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, 1 mM DTT, and 1 mM EDTA	6.5	ambient	293
2	3D_15N-separated_NOESY	0.5 mM FHA2 U-15N,13C; 1.5 mM phosphothreonyl 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, 1 mM DTT, and 1 mM EDTA	6.5	ambient	293
3	2D_13C/15N-filtered_NOESY	0.5 mM FHA2 U-15N,13C; 1.5 mM phosphothreonyl 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, 1 mM DTT, and 1 mM EDTA	6.5	ambient	293
4	3D_13C-edited_13C/15N-filtered_NOESY	0.5 mM FHA2 U-15N,13C; 1.5 mM phosphothreonyl 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, 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
The complex structures are generated using a total of 3369 restraints, 3181 distance restraints, and 188 TALOS-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	20

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