Experiment: 2FEJ

Solution structure of human p53 DNA binding domain.

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	0.4 mM p53 core U-15N,13C, 2H; 25 mM Tris-HCl pH 7.1; 150 mM NaCl; 90% H2O, 10% D2O	90% H2O/10% D2O	150 mM	7.1	ambient	298
2	3D_15N-separated_NOESY	0.4 mM p53 core U-15N,13C, 2H; 25 mM Tris-HCl pH 7.1; 150 mM NaCl; 90% H2O, 10% D2O	90% H2O/10% D2O	150 mM	7.1	ambient	298
3	2D NOESY	0.3 mM p53 core U-15N,13C, 2H + reverse ILV 13CH3 ; 25 mM Tris-HCl pH 7.1; 150 mM NaCl; 90% H2O, 10% D2O	90% H2O/10% D2O	150 mM	7.1	ambient	298
4	3D_13C-separated_NOESY	0.3 mM p53 core U-15N,13C, 2H + reverse ILV 13CH3 ; 25 mM Tris-HCl pH 7.1; 150 mM NaCl; 90% H2O, 10% D2O	90% H2O/10% D2O	150 mM	7.1	ambient	298
5	2D NOESY	0.3 mM p53 core U-15N,13C, 2H + reverse ILV 13CH3 + reverse Tyr ; 25 mM Tris-HCl pH 7.1; 150 mM NaCl; 100% D2O	100% D2O	150 mM	7.1	ambient	298
6	3D_13C-separated_NOESY	0.3 mM p53 core U-15N,13C, 2H + reverse ILV 13CH3 + reverse Tyr ; 25 mM Tris-HCl pH 7.1; 150 mM NaCl; 100% D2O	100% D2O	150 mM	7.1	ambient	298
7	2D NOESY	0.3 mM p53 core U-15N,13C, 2H + Met and Phe (1H); 25 mM Tris-HCl pH 7.1; 150 mM NaCl; 90% H2O, 10% D2O	90% H2O/10% D2O	150 mM	7.1	ambient	298
8	2D NOESY	0.3 mM p53 core U-15N,13C, 2H + Met and Arg (1H); 25 mM Tris-HCl pH 7.1; 150 mM NaCl; 90% H2O, 10% D2O	90% H2O/10% D2O	150 mM	7.1	ambient	298
9	2D NOESY	0.4 mM p53 core U-15N,13C, 2H (50%); 25 mM Tris-HCl pH 7.1; 150 mM NaCl; 90% H2O, 10% D2O	90% H2O/10% D2O	150 mM	7.1	ambient	298
10	2D NOESY	0.4 mM p53 core N/A; 25 mM Tris-HCl pH 7.1; 150 mM NaCl; 90% H2O, 10% D2O	90% H2O/10% D2O	150 mM	7.1	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	600
2	Bruker	AVANCE	800
3	Bruker	DRX	500

NMR Refinement
Method	Details	Software
torsion angle dynamics		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	50
Conformers Submitted Total Number	36
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	CNS	1.0	Brunger et al