1R02

Solution structure of Human Orexin-A:Regulator of Appetite and Wakefulness

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2mM orexin-A; 50mM phosphate buffer; 90% H2O, 10% D2O	90% H2O/10% D2O	50mM K2HPO4	7.0	ambient	278
2	2D TOCSY	2mM orexin-A; 50mM phosphate buffer; 90% H2O, 10% D2O	90% H2O/10% D2O	50mM K2HPO4	7.0	ambient	278
3	DQF-COSY	2mM orexin-A; 50mM phosphate buffer; 90% H2O, 10% D2O	90% H2O/10% D2O	50mM K2HPO4	7.0	ambient	278
4	2D NOESY	2mM orexin-A; 50mM phosphate buffer; 100% D2O	100% D2O	50mM K2HPO4	7.0	ambient	278
5	2D TOCSY	2mM orexin-A; 50mM phosphate buffer; 100% D2O	100% D2O	50mM K2HPO4	7.0	ambient	278

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

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing, molecular dynamics		CNS

NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number	1

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CNS	1.0	Brunger
2	processing	XwinNMR	2.0	Bruker
3	processing	NMRPipe	1.7	Delagio
4	data analysis	Sparky	3.60	Goddard
5	refinement	CNS	1.0	Brunger

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.