8DHZ

NMR Structure of Ac-hGal(17-30)NH2, an N-terminally acetylated fragment of the C-terminus of human galanin

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	1D 1H NMR	2 mM Ac-hGal(17-30)-NH2, 4.14 mM [U-2H] sodium acetate, 5.86 mM [U-2H] acetic acid	95% H2O/5% D2O	sample was dissolved in 10 mM sodium acetate-d3/acetic acid-d4 buffer at pH 4.6; no additional additives were present.	4.6	1 atm	298	Bruker AVANCE II 600
2	2D COSY	2 mM Ac-hGal(17-30)-NH2, 4.14 mM [U-2H] sodium acetate, 5.86 mM [U-2H] acetic acid	95% H2O/5% D2O	sample was dissolved in 10 mM sodium acetate-d3/acetic acid-d4 buffer at pH 4.6; no additional additives were present.	4.6	1 atm	298	Bruker AVANCE II 600
3	2D TOCSY	2 mM Ac-hGal(17-30)-NH2, 4.14 mM [U-2H] sodium acetate, 5.86 mM [U-2H] acetic acid	95% H2O/5% D2O	sample was dissolved in 10 mM sodium acetate-d3/acetic acid-d4 buffer at pH 4.6; no additional additives were present.	4.6	1 atm	298	Bruker AVANCE II 600
4	2D ROESY	2 mM Ac-hGal(17-30)-NH2, 4.14 mM [U-2H] sodium acetate, 5.86 mM [U-2H] acetic acid	95% H2O/5% D2O	sample was dissolved in 10 mM sodium acetate-d3/acetic acid-d4 buffer at pH 4.6; no additional additives were present.	4.6	1 atm	298	Bruker AVANCE II 600

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

NMR Refinement
Method	Details	Software
simulated annealing		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	1000
Conformers Submitted Total Number	25
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure calculation	CNS		Brunger, Adams, Clore, Gros, Nilges and Read
2	refinement	CNS		Brunger, Adams, Clore, Gros, Nilges and Read
3	chemical shift assignment	MestreLab (Mnova / MestReNova / MestReC)		MestreLab
4	data analysis	MestreLab (Mnova / MestReNova / MestReC)		MestreLab
5	peak picking	MestreLab (Mnova / MestReNova / MestReC)		MestreLab

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 R01GM133198.