1Y7K

NMR structure family of Human Agouti Signalling Protein (80-132: Q115Y, S124Y)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D TOCSY	1 mM ASIP(80-132: Q115Y, S124Y)	100 mM d3-acetic acid/d3-sodium acetate, 90% H2O 10% D2O	100 mM d3-acetic acid/sodium acetate	5.0	ambient	288
2	2D NOESY	1 mM ASIP(80-132: Q115Y, S124Y)	100 mM d3-acetic acid/d3-sodium acetate, 90% H2O 10% D2O	100 mM d3-acetic acid/sodium acetate	5.0	ambient	288
3	DQF-COSY	1 mM ASIP(80-132: Q115Y, S124Y)	100 mM d3-acetic acid/d3-sodium acetate, 90% H2O 10% D2O	100 mM d3-acetic acid/sodium acetate	5.0	ambient	288
4	2D TOCSY	1 mM ASIP(80-132: Q115Y, S124Y)	100 mM d3-acetic acid/d3-sodium acetate, 100% D2O	100 mM d3-acetic acid/sodium acetate	4.0	ambient	288

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITYPLUS	800
2	Varian	UNITYPLUS	800

NMR Refinement
Method	Details	Software
simulated annealing / torsion angle dynamics	This structure family represents one of two major conformers present in solution. The two conformers arise from the cis-trans proline isomerization of the Ala104-Pro105 peptide bond.	CYANA

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	1000
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, in conjunction with a semi-automated assignment protocol.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	1.0.6	Guentert, Herrmann, Mumenthaler, Wuthrich
2	processing	NMRPipe	2.3	Delaglio
3	collection	VNMR	6.1C
4	refinement	CYANA	1.0.6	Guentert, Herrmann, Mumenthaler, Wuthrich

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.