7O2K
NMR solution structue of cytotoxin 2 from Naja Kaouthia
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 2 mM cytotoxin 2, 3 mM Cytotoxin 3 | 90% H2O/10% D2O | 0 mM | 6.0 | 1 atm | 303 | Bruker AVANCE III 800 |
2 | 2D TOCSY | 2 mM cytotoxin 2, 3 mM Cytotoxin 3 | 90% H2O/10% D2O | 0 mM | 6.0 | 1 atm | 303 | Bruker AVANCE III 800 |
3 | 2D NOESY | 2 mM cytotoxin 2, 3 mM Cytotoxin 3 | 90% H2O/10% D2O | 0 mM | 6.0 | 1 atm | 303 | Bruker AVANCE 700 |
4 | 2D 1H-1H COSY | 2 mM cytotoxin 2, 3 mM Cytotoxin 3 | 90% H2O/10% D2O | 0 mM | 6.0 | 1 atm | 303 | Bruker AVANCE III 800 |
5 | 2D 1H-13C HSQC | 2 mM cytotoxin 2, 3 mM Cytotoxin 3 | 90% H2O/10% D2O | 0 mM | 6.0 | 1 atm | 303 | Bruker AVANCE III 800 |
6 | 2D 1H-15N HSQC | 2 mM cytotoxin 2, 3 mM Cytotoxin 3 | 90% H2O/10% D2O | 0 mM | 6.0 | 1 atm | 303 | Bruker AVANCE III 800 |
7 | 2D 1H-13C HSQC-TOCSY | 2 mM cytotoxin 2, 3 mM Cytotoxin 3 | 90% H2O/10% D2O | 0 mM | 6.0 | 1 atm | 303 | Bruker AVANCE III 800 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE III | 800 |
2 | Bruker | AVANCE | 700 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
torsion angle dynamics | 582 NOE constraints, 109 angular constraints, 27 H-bonds, 4 SS-bonds | CYANA |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | target function |
Conformers Calculated Total Number | 200 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (fewest violations) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | refinement | CYANA | Guntert P. | |
2 | structure calculation | CYANA | 1.0.3 | Guntert, Mumenthaler and Wuthrich |
3 | chemical shift assignment | CARA | 1.8.4 | Keller and Wuthrich |
4 | peak picking | CARA | 1.8.4 | Keller and Wuthrich |