2N5C

Solution NMR structure of the lasso peptide chaxapeptin

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	1D 1H	4 mM chaxapeptin	100% DMSO			ambient	298
2	1D 13C	4 mM chaxapeptin	100% DMSO			ambient	298
3	1D DEPTQ	4 mM chaxapeptin	100% DMSO			ambient	298
4	2D 1H-15N HSQC	4 mM chaxapeptin	100% DMSO			ambient	298
5	2D 1H-1H COSY	4 mM chaxapeptin	100% DMSO			ambient	298
6	2D 1H-1H TOCSY	4 mM chaxapeptin	100% DMSO			ambient	298
7	2D HMBC	4 mM chaxapeptin	100% DMSO			ambient	298
8	2D 1H-1H NOESY	4 mM chaxapeptin	100% DMSO			ambient	298
9	3D 1H-15N TOCSY	4 mM chaxapeptin	100% DMSO			ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	700
2	Varian	VNMRS	600

NMR Refinement
Method	Details	Software
simulated annealing, distance geometry		CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry
Conformers Calculated Total Number	20
Conformers Submitted Total Number	15
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
2	geometry optimization	WHAT IF	11.12.31	Vriend
3	refinement	CYANA	2.1	Guntert, Mumenthaler and Wuthrich