2K40

NMR structure of HESX-1 homeodomain double mutant R31L/E42L

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	0.6 mM HESX-I HOMEODOMAIN	90% H2O/10% D2O	0.1 NaCl	6.0	ambient atm	298
2	2D 1H-1H NOESY	0.600 mM HESX-I HOMEODOMAIN	100% D2O	0.1 NaCl	6.0	ambient atm	298
3	2D 1H-1H TOCSY	0.6 mM HESX-I HOMEODOMAIN	90% H2O/10% D2O	0.1 NaCl	6.0	ambient atm	298
4	2D 1H-1H TOCSY	0.600 mM HESX-I HOMEODOMAIN	100% D2O	0.1 NaCl	6.0	ambient atm	298
5	2D DQF-COSY	0.6 mM HESX-I HOMEODOMAIN	90% H2O/10% D2O	0.1 NaCl	6.0	ambient atm	298
6	2D DQF-COSY	0.600 mM HESX-I HOMEODOMAIN	100% D2O	0.1 NaCl	6.0	ambient atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800
2	Bruker	AVANCE	600
3	Varian	UNITY	500

NMR Refinement
Method	Details	Software
simulated annealing		XEASY

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	peak picking	XEASY		Bartels et al.
2	chemical shift assignment	XEASY		Bartels et al.
3	structure solution	DYANA		Guntert, Braun and Wuthrich
4	refinement	Amber		Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollm