2RRH

NMR structure of vasoactive intestinal peptide in Methanol

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.5 mM [U-13C; U-15N] VIP-1, 20 mM TRIS-2, 50 % [U-2H] methanol-3	90% H2O/10% D2O		7.4	ambient	288
2	2D 1H-13C HSQC	0.5 mM [U-13C; U-15N] VIP-1, 20 mM TRIS-2, 50 % [U-2H] methanol-3	90% H2O/10% D2O		7.4	ambient	288
3	3D CBCA(CO)NH	0.5 mM [U-13C; U-15N] VIP-1, 20 mM TRIS-2, 50 % [U-2H] methanol-3	90% H2O/10% D2O		7.4	ambient	288
4	3D HNCACB	0.5 mM [U-13C; U-15N] VIP-1, 20 mM TRIS-2, 50 % [U-2H] methanol-3	90% H2O/10% D2O		7.4	ambient	288
5	3D HNCO	0.5 mM [U-13C; U-15N] VIP-1, 20 mM TRIS-2, 50 % [U-2H] methanol-3	90% H2O/10% D2O		7.4	ambient	288
6	3D C(CO)NH	0.5 mM [U-13C; U-15N] VIP-1, 20 mM TRIS-2, 50 % [U-2H] methanol-3	90% H2O/10% D2O		7.4	ambient	288
7	3D H(CCO)NH	0.5 mM [U-13C; U-15N] VIP-1, 20 mM TRIS-2, 50 % [U-2H] methanol-3	90% H2O/10% D2O		7.4	ambient	288
8	3D 1H-15N NOESY	0.5 mM [U-13C; U-15N] VIP-1, 20 mM TRIS-2, 50 % [U-2H] methanol-3	90% H2O/10% D2O		7.4	ambient	288
9	3D 1H-13C NOESY	0.5 mM [U-13C; U-15N] VIP-1, 20 mM TRIS-2, 50 % [U-2H] methanol-3	90% H2O/10% D2O		7.4	ambient	288

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600

NMR Refinement
Method	Details	Software
torsion angle dynamics		NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe	5.2	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
2	chemical shift assignment	Sparky	3.110	Goddard
3	peak picking	Sparky	3.110	Goddard
4	structure solution	CYANA	2.0.17	Guntert, Mumenthaler and Wuthrich
5	refinement	CYANA	2.0.17	Guntert, Mumenthaler and Wuthrich