2MK3

Solution NMR structure of gp41 ectodomain monomer on a DPC micelle

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D HNCACB	100 mM [U-99% 2H] DPC, 50 mM sodium phosphate	93% H2O/7% D2O	0.05	4.0	ambient	310
2	3D HNCO	100 mM [U-99% 2H] DPC, 50 mM sodium phosphate	93% H2O/7% D2O	0.05	4.0	ambient	310
3	3D 1H-15N NOESY	100 mM [U-99% 2H] DPC, 50 mM sodium phosphate	93% H2O/7% D2O	0.05	4.0	ambient	310
4	3D HCCH-TOCSY	100 mM [U-99% 2H] DPC, 50 mM sodium phosphate	93% H2O/7% D2O	0.05	4.0	ambient	310
5	2D 1H-1H NOESY	100 mM [U-99% 2H] DPC, 50 mM sodium phosphate	93% H2O/7% D2O	0.05	4.0	ambient	310
6	2D 1H-15N Artsy	100 mM [U-99% 2H] DPC, 50 mM potassium phosphate	93% H2O/7% D2O	0.05	4.0	ambient	310
7	2D 1H-15N Trosy-HSQC	100 mM [U-99% 2H] DPC, 50 mM potassium phosphate	93% H2O/7% D2O	0.05	4.0	ambient	310
8	3D HNCO	100 mM [U-99% 2H] DPC, 50 mM potassium phosphate	93% H2O/7% D2O	0.05	4.0	ambient	310

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	AVANCE	800
3	Bruker	AVANCE	900
4	Bruker	AVANCE	500

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	30
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR NIH	2.34	Schwieters, Kuszewski, Tjandra and Clore
2	refinement	X-PLOR NIH