2PV6

HIV-1 gp41 Membrane Proximal Ectodomain Region peptide in DPC micelle

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	triple resonance backbone experiments	1mM U-15N,13C MPER + 100mM d38 DPC	90% H2O/10% D2O	no salt	6.6	ambient	308
2	3D_13C-separated_NOESY	1mM U-15N,13C MPER + 100mM d38 DPC	90% H2O/10% D2O	no salt	6.6	ambient	308
3	3D_15N-separated_NOESY	1mM U-15N MPER + 100mM d38 DPC	90% H2O/10% D2O	no salt	6.6	ambient	308
4	2D NOESY	1mM unlabeled MPER + 100mM d38 DPC	100% D2O	no salt	6.6	ambient	308
5	HNHA	1mM U-15N,13C MPER + 100mM d38 DPC	90% H2O/10% D2O	no salt	6.6	ambient	308
6	HNHB	1mM U-15N,13C MPER + 100mM d38 DPC	90% H2O/10% D2O	no salt	6.6	ambient	308
7	3D_15N-separated N(H)-NH NOESY	1mM U-15N MPER + 100mM d38 DPC	90% H2O/10% D2O	no salt	6.6	ambient	308

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	750
2	Bruker	AVANCE	600
3	Bruker	AVANCE	500
4	Varian	INOVA	600

NMR Refinement
Method	Details	Software
simulated annealing	The structures are based on a total of 331 NOE restraints, 10 hydrogen bond constraints, and 34 dihydral angle restraints.	PROSA

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number	20
Conformers Submitted Total Number	17
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	PROSA	6.0	Guntert
2	data analysis	CARA	1.8.2	Keller
3	structure solution	CYANA	2.1	Guntert
4	structure solution	X-PLOR	xplor-nih-2.9.7	Brunger, Schwieters
5	data analysis	TALOS	2003.027.13.05	Cornilescu
6	refinement	X-PLOR	xplor-nih-2.9.7	Brunger, Schwieters

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.