2L27

NMR Structure of the ECD1 of CRF-R1 in complex with a peptide agonist

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D HNCA	0.3 mM [U-100% 13C; U-100% 15N] ECD1-CRF-R1	90% H2O/10% D2O	0.3	6.5	ambient	308
2	3D HNCACB	0.3 mM [U-100% 13C; U-100% 15N] ECD1-CRF-R1	90% H2O/10% D2O	0.3	6.5	ambient	308
3	3D 1H-15N NOESY	0.3 mM [U-100% 13C; U-100% 15N] ECD1-CRF-R1	90% H2O/10% D2O	0.3	6.5	ambient	308
4	3D 1H-13C NOESY	0.3 mM [U-100% 13C; U-100% 15N] ECD1-CRF-R1	90% H2O/10% D2O	0.3	6.5	ambient	308
5	3D HCCH-COSY	0.3 mM [U-100% 13C; U-100% 15N] ECD1-CRF-R1	90% H2O/10% D2O	0.3	6.5	ambient	308
6	3D HNCA	0.4 mM [U-100% 13C; U-100% 15N] Alpha Helical CRF	90% H2O/10% D2O	0.3	6.5	ambient	308
7	3D HNCACB	0.4 mM [U-100% 13C; U-100% 15N] Alpha Helical CRF	90% H2O/10% D2O	0.3	6.5	ambient	308
8	3D 1H-15N NOESY	0.4 mM [U-100% 13C; U-100% 15N] Alpha Helical CRF	90% H2O/10% D2O	0.3	6.5	ambient	308
9	3D 1H-13C NOESY	0.4 mM [U-100% 13C; U-100% 15N] Alpha Helical CRF	90% H2O/10% D2O	0.3	6.5	ambient	308
10	3D HCCH-TOCSY	0.4 mM [U-100% 13C; U-100% 15N] Alpha Helical CRF	90% H2O/10% D2O	0.3	6.5	ambient	308

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	INOVA	700

NMR Refinement
Method	Details	Software
torsion angle dynamics		CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA		Guntert, Mumenthaler and Wuthrich
2	refinement	CYANA		Guntert, Mumenthaler and Wuthrich