7AT7

Transmembrane helix of tumor necrosis factor alpha in trifluorethanol, S34P mutant

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	0.5 mM TNFa_TM_S34P	trifluoroethanol/water	0 M	6.0	1 atm	303	Bruker AVANCE 600
2	2D 1H-1H TOCSY	0.5 mM TNFa_TM_S34P	trifluoroethanol/water	0 M	6.0	1 atm	303	Bruker AVANCE 600
3	2D 1H-13C HSQC	0.5 mM TNFa_TM_S34P	trifluoroethanol/water	0 M	6.0	1 atm	303	Bruker AVANCE 600

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

NMR Refinement
Method	Details	Software
simulated annealing		ARIA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	TopSpin	3.2	Bruker Biospin
2	chemical shift assignment	CcpNmr Analysis	2.4.1	CCPN
3	peak picking	CcpNmr Analysis		CCPN
4	structure calculation	ARIA		Linge, O'Donoghue and Nilges

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.