6WPV

Solution NMR structure of the orbitide xanthoxycyclin D

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	8 mg/mL Xanthoxycyclin D	90% H2O/10% D2O	0 mM	3.5	1 atm	298	Bruker AVANCE III 700
2	2D 1H-1H NOESY	8 mg/mL Xanthoxycyclin D	90% H2O/10% D2O	0 mM	3.5	1 atm	298	Bruker AVANCE III 700
3	2D DQF-COSY	8 mg/mL Xanthoxycyclin D	90% H2O/10% D2O	0 mM	3.5	1 atm	298	Bruker AVANCE III 700
4	2D 1H-13C HSQC	8 mg/mL Xanthoxycyclin D	90% H2O/10% D2O	0 mM	3.5	1 atm	298	Bruker AVANCE III 700

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	700

NMR Refinement
Method	Details	Software
simulated annealing	Initial calculations for distance restraints	CYANA
simulated annealing	Minimization in explicit water, Simulated annealing with torsion angle dynamics	CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS	1.2	Brunger, Adams, Clore, Gros, Nilges and Read
2	structure calculation	CNS	1.2	Brunger, Adams, Clore, Gros, Nilges and Read
6	refinement	CYANA	3.97	Guntert, Mumenthaler and Wuthrich
3	chemical shift assignment	CARA		Keller and Wuthrich
4	peak picking	CARA		Keller and Wuthrich
5	processing	TopSpin	4.0.3	Bruker Biospin
7	structure calculation	CYANA	3.97	Guntert, Mumenthaler and Wuthrich