2L7M

Solution Structure of the Pitx2 Homeodomain R24H mutant

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	10 mM sodium phosphate, 150 mM sodium sulphate, 1 mM EDTA, 2 mM [U-98% 13C; U-98% 15N] Pitx2 R24H	90% H2O/10% D2O	0.15	7	ambient	295
2	2D 1H-13C HSQC	10 mM sodium phosphate, 150 mM sodium sulphate, 1 mM EDTA, 2 mM [U-98% 13C; U-98% 15N] Pitx2 R24H	90% H2O/10% D2O	0.15	7	ambient	295
3	3D CBCA(CO)NH	10 mM sodium phosphate, 150 mM sodium sulphate, 1 mM EDTA, 2 mM [U-98% 13C; U-98% 15N] Pitx2 R24H	90% H2O/10% D2O	0.15	7	ambient	295
4	3D C(CO)NH	10 mM sodium phosphate, 150 mM sodium sulphate, 1 mM EDTA, 2 mM [U-98% 13C; U-98% 15N] Pitx2 R24H	90% H2O/10% D2O	0.15	7	ambient	295
5	3D HNCA	10 mM sodium phosphate, 150 mM sodium sulphate, 1 mM EDTA, 2 mM [U-98% 13C; U-98% 15N] Pitx2 R24H	90% H2O/10% D2O	0.15	7	ambient	295
6	3D HNCACB	10 mM sodium phosphate, 150 mM sodium sulphate, 1 mM EDTA, 2 mM [U-98% 13C; U-98% 15N] Pitx2 R24H	90% H2O/10% D2O	0.15	7	ambient	295
7	3D 1H-15N NOESY	10 mM sodium phosphate, 150 mM sodium sulphate, 1 mM EDTA, 2 mM [U-98% 13C; U-98% 15N] Pitx2 R24H	90% H2O/10% D2O	0.15	7	ambient	295
8	3D 1H-13C NOESY	10 mM sodium phosphate, 150 mM sodium sulphate, 1 mM EDTA, 2 mM [U-98% 13C; U-98% 15N] Pitx2 R24H	90% H2O/10% D2O	0.15	7	ambient	295
9	3D HCCH-TOCSY	10 mM sodium phosphate, 150 mM sodium sulphate, 1 mM EDTA, 2 mM [U-98% 13C; U-98% 15N] Pitx2 R24H	90% H2O/10% D2O	0.15	7	ambient	295
10	3D H(CCO)NH	10 mM sodium phosphate, 150 mM sodium sulphate, 1 mM EDTA, 2 mM [U-98% 13C; U-98% 15N] Pitx2 R24H	90% H2O/10% D2O	0.15	7	ambient	295

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	800
2	Varian	INOVA	600
3	Varian	INOVA	500
4	Varian	INOVA	400

NMR Refinement
Method	Details	Software
molecular dynamics		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	20
Conformers Submitted Total Number	20
Representative Model	1 (minimized average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	Amber	11	Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollm
2	structure solution	CYANA		Guntert, Mumenthaler and Wuthrich
3	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4	chemical shift assignment	NMRView		Johnson, One Moon Scientific