Experiment: 2GD3

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1.3 mM S14G-humanin; 60 microM NaN3 to prevent microbial growth; H2O/TFE-d3 7:3; pH 2.6 (uncorrected for the presence of TFE); at 298 and 280 K	H2O/TFE-d3 7:3	60 microM NaN3	2.7	ambient	298
2	2D TOCSY	1.3 mM S14G-humanin; 60 microM NaN3 to prevent microbial growth; H2O/TFE-d3 7:3; pH 2.6 (uncorrected for the presence of TFE); at 298 and 280 K	H2O/TFE-d3 7:3	60 microM NaN3	2.7	ambient	298
3	2D NOESY	1.3 mM S14G-humanin; 60 microM NaN3 to prevent microbial growth; H2O/TFE-d3 7:3; pH 2.6 (uncorrected for the presence of TFE); at 298 and 280 K	H2O/TFE-d3 7:3	60 microM NaN3	2.7	ambient	280
4	2D TOCSY	1.3 mM S14G-humanin; 60 microM NaN3 to prevent microbial growth; H2O/TFE-d3 7:3; pH 2.6 (uncorrected for the presence of TFE); at 298 and 280 K	H2O/TFE-d3 7:3	60 microM NaN3	2.7	ambient	280

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500

NMR Refinement
Method	Details	Software
simulated annealing torsion angle dynamics	Starting from an extended structure a total of 300 structures were generated from 133 NOE-derived distance restraints and 2 distance restraints based on temperature coefficient data using the simulated annealing and energy minimization protocol in the program CNS, version 1.1	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	14 convergent conformers are presented having the lowest energy and the best structural quality in Ramachadran plot
Conformers Calculated Total Number	300
Conformers Submitted Total Number	14
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Bruker
2	processing	XwinNMR	2.6	Bruker
3	data analysis	Sparky	3	Goddard, T.D. & Kneller, D.G.
4	structure solution	CNS	1.1	Brunger, A.T.
5	refinement	CNS	1.1	Brunger, A.T.

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.