5NWV

NMR assignment and structure of a peptide derived from the fusion peptide of HIV-1 gp41 in the presence of dodecylphosphocholine micelles

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H COSY	0.6 mM scrFP-tag, 25 % [U-98% 2H] HFIP, 7.5 % H2O, 67.5 % [U-99% 2H] D2O, 2 mM HEPES, 0.1 mM DSS	hexafluoroisopropanol/water	2 mM	6.8	1 atm	298	Bruker AVANCE 600
2	2D 1H-1H TOCSY	0.6 mM scrFP-tag, 25 % [U-98% 2H] HFIP, 7.5 % H2O, 67.5 % [U-99% 2H] D2O, 2 mM HEPES, 0.1 mM DSS	hexafluoroisopropanol/water	2 mM	6.8	1 atm	298	Bruker AVANCE 600
3	2D 1H-1H NOESY	0.6 mM scrFP-tag, 25 % [U-98% 2H] HFIP, 7.5 % H2O, 67.5 % [U-99% 2H] D2O, 2 mM HEPES, 0.1 mM DSS	hexafluoroisopropanol/water	2 mM	6.8	1 atm	298	Bruker AVANCE 600
4	2D 1H-13C HSQC aliphatic	0.6 mM scrFP-tag, 25 % [U-98% 2H] HFIP, 7.5 % H2O, 67.5 % [U-99% 2H] D2O, 2 mM HEPES, 0.1 mM DSS	hexafluoroisopropanol/water	2 mM	6.8	1 atm	298	Bruker AVANCE 600
5	2D 1H-15N HSQC	0.6 mM scrFP-tag, 25 % [U-98% 2H] HFIP, 7.5 % H2O, 67.5 % [U-99% 2H] D2O, 2 mM HEPES, 0.1 mM DSS	hexafluoroisopropanol/water	2 mM	6.8	1 atm	298	Bruker AVANCE 600

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

NMR Refinement
Method	Details	Software
simulated annealing		CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin		Bruker Biospin
2	processing	TopSpin		Bruker Biospin
3	chemical shift assignment	Sparky		Goddard
4	peak picking	Sparky		Goddard
5	structure calculation	CYANA		Guntert, Mumenthaler and Wuthrich
6	refinement	CYANA		Guntert, Mumenthaler and Wuthrich