1F43

SOLUTION STRUCTURE OF THE MATA1 HOMEODOMAIN

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1.5 mM MATa1 (66-126) U-15N 25 mM deuterated acetate, pH 4.5, 100 mM KCl, 0.01% NaN3; 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM KCl	4.5	ambient	298
2	HNHA	1.5 mM MATa1 (66-126) U-15N 25 mM deuterated acetate, pH 4.5, 100 mM KCl, 0.01% NaN3; 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM KCl	4.5	ambient	298
3	HNCA-J	1.5 mM MATa1(66-126) U-15N,13C 25 mM deuterated acetate, pH 4.5, 100 mM KCl, 0.01% NaN3; 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM KCl	4.5	ambient	298
4	2D NOESY	1.5 mM MATa1 (66-126) 25 mM deuterated acetate, pH 4.5, 100 mM KCl, 0.01% NaN3; 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM KCl	4.5	ambient	298
5	DQF-COSY	1.5 mM MATa1 (66-126) 25 mM deuterated acetate, pH 4.5, 100 mM KCl, 0.01% NaN3; 90% H2O, 10% D2O	90% H2O/10% D2O	100 mM KCl	4.5	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	AVANCE	500

NMR Refinement
Method	Details	Software
distance geometry and simulated annealing	The structure is based on a total of 1178 NOE-derived distance constraints, 38 dihedral angle constraints, and 42 hydrogen bond restraints.	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	17 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.3	Bruker Instruments
2	data analysis	Felix	970	Molecular Simulations, Inc.
3	processing	Felix	970	Molecular Simulations, Inc.
4	refinement	X-PLOR	3.851	A. Brunger