2JMS

NMR Structure of En-6 pheromone from the Antarctic Ciliate Euplotes nobilii

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D DQF-COSY	1 mM En-6, 20 mM sodium phosphate	90% H2O/10% D2O		6	ambient	298
2	2D 1H-1H TOCSY	1 mM En-6, 20 mM sodium phosphate	90% H2O/10% D2O		6	ambient	298
3	2D 1H-1H NOESY	1 mM En-6, 20 mM sodium phosphate	90% H2O/10% D2O		6	ambient	298
4	2D 1H-1H NOESY	1 mM En-6, 20 mM sodium phosphate	100% D2O		6	ambient	298
5	1D 1H	1 mM En-6, 20 mM sodium phosphate, 1 mM DSS	90% H2O/10% D2O		6	ambient	298

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

NMR Refinement
Method	Details	Software
torsion angle dynamics, energy minimization	CYANA-1.2, used within the 7-cycle iterated ATNOS/CANDID/CYANA procedure and OPALp, applied to the final conformer bundle from ATNOS/CANDID/CYANA	CARA

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	80
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	CARA	1.5.3	Keller and Wuthrich
2	collection	XwinNMR		Bruker Biospin
3	peak assignment	ATNOS/CANDID	1.1	Herrmann, Guntert and Wuthrich
4	structure solution	ATNOS/CANDID	1.1	Herrmann, Guntert and Wuthrich
5	peak picking	CYANA	1.2	Guntert, Mumenthaler and Wuthrich
6	refinement	OPAL	p	Koradi, Billeter and Guntert