1YY1

NMR Conformational Analysis of LHRH and its analogues

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D TOCSY	2.0-3.0mM	DMSO			ambient	298
2	2D NOESY	2.0-3.0mM	DMSO			ambient	298
3	1H-13C HSQC	2.0-3.0mM	DMSO			ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DPX	400

NMR Refinement
Method	Details	Software
torsion angle dynamics	The models have been determined using 138 NOE-derived distance constraints	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	400
Conformers Submitted Total Number	21
Representative Model	1 (minimized average structure)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.1	Bruker
2	processing	XwinNMR	3.1	Bruker
3	data analysis	XEASY	1.3	Eccles C, Guntert P, Billeter M, Wuthrich K
4	structure solution	DYANA	1.5	Guntert P, Mumenthaler C, Wuthrich K
5	refinement	Amber	5.0

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 R01GM157729.