1BDE

HELICAL STRUCTURE OF POLYPEPTIDES FROM THE C-TERMINAL HALF OF HIV-1 VPR, NMR, 20 STRUCTURES

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	TOCSY	50% TFE-D3/50% H2O		10 mM	5.0	1 atm	298
2	NOESY	50% TFE-D3/50% H2O		10 mM	5.0	1 atm	298
3	DQFCOSY	50% TFE-D3/50% H2O		10 mM	5.0	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX600	600

NMR Refinement
Method	Details	Software
DISTANCE GEOMETRY AND SIMULATED ANNEALING	INITIAL STRUCTURE CALCULATION WAS PERFORMED USING DYANA 1.4. THE BEST 100 STRUCTURES WERE FURTHER REFINED IN X-PLOR 3.8.	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	LOWEST ENERGY
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (n/a)

Additional NMR Experimental Information
Details	THE STRUCTURE WAS DETERMINED USING 2D 1H NMR SPECTROSCOPY.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR	3.8	BRUNGER
2	structure solution	X-PLOR	3.8