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NMR Structure of the FHA1 Domain of Rad53 in Complex with a Rad9-derived Phosphothreonine (at T155) Peptide
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
3D_13C-separated_NOESY
0.5 mM FHA1 U-15N,13C; 10 mM sodium phosphate buffer (pH 6.5), 1mM DTT, and 1 mM EDTA; 90% H2O, 10% D2O
90% H2O/10% D2O
10 mM sodium phosphate, 1mM DTT, and 1 mM EDTA
6.5
ambient
293
2
3D_15N-separated_NOESY
0.5 mM FHA1 U-15N,13C; 10 mM sodium phosphate buffer (pH 6.5), 1mM DTT, and 1 mM EDTA; 90% H2O, 10% D2O
90% H2O/10% D2O
10 mM sodium phosphate, 1mM DTT, and 1 mM EDTA
6.5
ambient
293
3
2D_13C/15N-filtered_NOESY
0.5 mM FHA1 U-15N,13C; 10 mM sodium phosphate buffer (pH 6.5), 1mM DTT, and 1 mM EDTA; 90% H2O, 10% D2O
90% H2O/10% D2O
10 mM sodium phosphate, 1mM DTT, and 1 mM EDTA
6.5
ambient
293
4
3D_13C-edited_13C/15N-filtered_NOESY
0.5 mM FHA1 U-15N,13C; 10 mM sodium phosphate buffer (pH 6.5), 1mM DTT, and 1 mM EDTA; 90% H2O, 10% D2O
90% H2O/10% D2O
10 mM sodium phosphate, 1mM 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 2438 restraints. Among them, 3 artifical constraints, 192 TALOS-derived dihedral angle restrains, 78 restraints from H-bond, 16 intermolecular distance constrains, and 2149 intra-FHA1 and intra-peptide distance constraints.
XwinNMR
NMR Ensemble Information
Conformer Selection Criteria
structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number
50
Conformers Submitted Total Number
20
Additional NMR Experimental Information
Details
The structure was determined using triple-resonance NMR spectroscopy.