Experiment: 2L7I

The solution structure of the HAMP domain of the hypothetical transmembrane receptor Af1503 (A291F variant)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D 1H-15N NOESY	1 mM [U-100% 15N] Af1503 HAMP (A921F), 20 mM phosphate buffer, 150 mM sodium chloride	90% H2O/10% D2O	150	7.2	ambient	308
2	3D 1H-13C NOESY	0.5 mM [U-100% 13C; U-100% 15N] Af1503 HAMP (A921F), 0.5 mM Af1503 HAMP (A921F), 20 mM phosphate buffer, 150 mM sodium chloride	90% H2O/10% D2O	150	7.2	ambient	308
3	2D 13C-edited/12C-filtered NOESY	0.5 mM [U-100% 13C; U-100% 15N] Af1503 HAMP (A921F), 0.5 mM Af1503 HAMP (A921F), 20 mM phosphate buffer, 150 mM sodium chloride	90% H2O/10% D2O	150	7.2	ambient	308
4	2D 1H-1H NOESY	1 mM Af1503 HAMP (A921F), 20 mM phosphate buffer, 150 mM sodium chloride	90% H2O/10% D2O	150	7.2	ambient	308
5	3D CNH-NOESY	0.5 mM [U-100% 13C; U-100% 15N] Af1503 HAMP (A921F), 0.5 mM Af1503 HAMP (A921F), 20 mM phosphate buffer, 150 mM sodium chloride	90% H2O/10% D2O	150	7.2	ambient	308
6	3D NNH-NOESY	1 mM [U-100% 15N] Af1503 HAMP (A921F), 20 mM phosphate buffer, 150 mM sodium chloride	90% H2O/10% D2O	150	7.2	ambient	308
7	3D HNCA	0.5 mM [U-100% 13C; U-100% 15N] Af1503 HAMP (A921F), 0.5 mM Af1503 HAMP (A921F), 20 mM phosphate buffer, 150 mM sodium chloride	90% H2O/10% D2O	150	7.2	ambient	308
8	3D HCCH-TOCSY	0.5 mM [U-100% 13C; U-100% 15N] Af1503 HAMP (A921F), 0.5 mM Af1503 HAMP (A921F), 20 mM phosphate buffer, 150 mM sodium chloride	90% H2O/10% D2O	150	7.2	ambient	308

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	AVANCE	900

NMR Refinement
Method	Details	Software
simulated annealing	Refinement against a conformational database potential	Sparky

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	50
Conformers Submitted Total Number	18
Representative Model	1 (minimized average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	Sparky	3.110	Goddard
2	collection	TopSpin	2	Bruker Biospin
3	processing	TopSpin	2	Bruker Biospin
4	structure solution	X-PLOR NIH	2.9.7	Schwieters, Kuszewski, Tjandra and Clore
5	refinement	X-PLOR NIH	2.9.7	Schwieters, Kuszewski, Tjandra and Clore