SOLUTION NMR

NMR Experiment
Experiment Type Sample Contents Ionic Strength Solvent pH Pressure Temprature (K)
1 2D 1H-15N HSQC 20 mM sodium phosphate, 2.1 mM Alpha conotoxin SII, 95% H2O/5% D2O 20 95% H2O/5% D2O 6 1 298
2 2D 1H-13C HSQC 20 mM sodium phosphate, 2.1 mM Alpha conotoxin SII, 95% H2O/5% D2O 20 95% H2O/5% D2O 6 1 298
3 2D 1H-1H TOCSY 20 mM sodium phosphate, 2.1 mM Alpha conotoxin SII, 95% H2O/5% D2O 20 95% H2O/5% D2O 6 1 298
4 2D 1H-1H NOESY 20 mM sodium phosphate, 2.1 mM Alpha conotoxin SII, 95% H2O/5% D2O 20 95% H2O/5% D2O 6 1 298
NMR Spectrometer Information
Spectrometer Manufacturer Model Field Strength
1 Bruker AVANCE III 600
NMR Refinement
Method Details Software
torsion angle dynamics The authors state that they initially calculated and kept 30 structures according to the structures' target function. Then they selected 20 out of the 30 according to the MolProbity score (i.e. stereochemical properties). 2
NMR Ensemble Information
Conformer Selection Criteria target function
Conformers Calculated Total Number 30
Conformers Submitted Total Number 20
Representative Model 1 (lowest energy)
Computation: NMR Software
# Classification Version Software Name Author
1 collection ? TopSpin Bruker Biospin
2 refinement ? CYANA Guntert, Mumenthaler and Wuthrich
3 chemical shift assignment ? CcpNmr Analysis CCPN
4 geometry optimization ? TALOS Cornilescu, Delaglio and Bax
5 peak picking ? CcpNmr Analysis CCPN
6 chemical shift assignment ? CYANA Guntert, Mumenthaler and Wuthrich
7 structure calculation ? CYANA Guntert, Mumenthaler and Wuthrich