1Y49

Solution Structure of CCAP (Crustacean Cardioactive Peptide) from Drosophila melanogaster

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	DQF-COSY	2mM CCAP	50%(v/v) DMSO-d6, 50%(v/v) H2O		6.0	ambient	298
2	2D TOCSY	2mM CCAP	50%(v/v) DMSO-d6, 50%(v/v) H2O		6.0	ambient	298
3	2D NOESY	2mM CCAP	50%(v/v) DMSO-d6, 50%(v/v) H2O		6.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	500

NMR Refinement
Method	Details	Software
torsion angle dynamics	The structures are based on a total of 81 restraints, 75 are NOE-derived upper-bound distance restraints and 6 are upper- and lower-bound distance restraints from a disulfide bond.	VNMR

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	5 (closest to the average)

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.1	Varian
2	processing	NMRPipe	2003	Delaglio, F.
3	processing	NMRDraw	2003	Delaglio, F.
4	data analysis	Sparky	3.111	Goddard, T. D. and Kneller, D. G.
5	structure solution	DYANA	1.4	Guentert, P.
6	refinement	DYANA	1.4	Guentert, P.