2L7H

The solution structure of the HAMP domain of the hypothetical transmembrane receptor Af1503

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, 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, 0.5 mM Af1503 HAMP, 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, 0.5 mM Af1503 HAMP, 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, 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, 0.5 mM Af1503 HAMP, 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, 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, 0.5 mM Af1503 HAMP, 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, 0.5 mM Af1503 HAMP, 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	XwinNMR	3.5	Bruker Biospin
3	processing	XwinNMR	3.5	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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.