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