2KXA

The hemagglutinin fusion peptide (H1 subtype) at pH 7.4

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	7 % D2O-1, 25 mM [U-99% 2H] TRIS-2, 130-180 mM [U-99% 2H] DPC-3	93% H2O/7% D2O	20mM Tris	7.4	ambient	305
2	2D 1H-13C HSQC	25 mM [U-99% 2H] TRIS-4, 130-180 mM [U-99% 2H] DPC-5	100% D2O	20mM Tris	7.4	ambient	305
3	2D 1H-1H NOESY	25 mM [U-99% 2H] TRIS-4, 130-180 mM [U-99% 2H] DPC-5	100% D2O	20mM Tris	7.4	ambient	305
4	3D HNCO	7 % D2O-1, 25 mM [U-99% 2H] TRIS-2, 130-180 mM [U-99% 2H] DPC-3	93% H2O/7% D2O	20mM Tris	7.4	ambient	305
5	3D HNCA	7 % D2O-1, 25 mM [U-99% 2H] TRIS-2, 130-180 mM [U-99% 2H] DPC-3	93% H2O/7% D2O	20mM Tris	7.4	ambient	305
6	3D HN(CO)CA	7 % D2O-1, 25 mM [U-99% 2H] TRIS-2, 130-180 mM [U-99% 2H] DPC-3	93% H2O/7% D2O	20mM Tris	7.4	ambient	305
7	3D 1H-15N NOESY	7 % D2O-1, 25 mM [U-99% 2H] TRIS-2, 130-180 mM [U-99% 2H] DPC-3	93% H2O/7% D2O	20mM Tris	7.4	ambient	305
8	2D 1H-15N HSQC	7 % D2O-1, 25 mM [U-99% 2H] TRIS-2, 130-180 mM [U-99% 2H] DPC-3	93% H2O/7% D2O
9	2D 1H-13C HSQC	7 % D2O-1, 25 mM [U-99% 2H] TRIS-2, 130-180 mM [U-99% 2H] DPC-3	93% H2O/7% D2O
10	3D HN(CO)CA	7 % D2O-1, 25 mM [U-99% 2H] TRIS-2, 130-180 mM [U-99% 2H] DPC-3	93% H2O/7% D2O

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	900
2	Bruker	AVANCE	750
3	Bruker	AVANCE	600
4	Bruker	AVANCE	500

NMR Refinement
Method	Details	Software
simulated annealing		Sparky

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	60
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	Sparky	3.113	Goddard
2	data analysis	Sparky	3.113	Goddard
3	peak picking	Sparky	3.113	Goddard
4	data analysis	NMRPipe	5.0	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
5	peak picking	NMRPipe	5.0	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
6	processing	NMRPipe	5.0	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
7	data analysis	NMRDraw	5.0	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
8	peak picking	NMRDraw	5.0	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
9	data analysis	ModelFree	4.2	Palmer
10	data analysis	PSVS	1.4	Bhattacharya and Montelione
11	data analysis	TALOS	1.2009.0721.18	Cornilescu, Delaglio and Bax
12	refinement	X-PLOR NIH	2.24	Schwieters, Kuszewski, Tjandra and Clore
13	structure solution	X-PLOR NIH	2.24	Schwieters, Kuszewski, Tjandra and Clore