6CEI
Solution NMR Structure of Conotoxin GXIA from Conus geographus
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-1H NOESY | 1 mg/mL conotoxin G117 | 90% H2O/10% D2O | 0 M | 5.1 | ambient atm | 298 | Bruker AVANCE 600 |
4 | 2D 1H-1H TOCSY | 1 mg/mL conotoxin G117 | 90% H2O/10% D2O | 0 M | 5.1 | ambient atm | 298 | Bruker AVANCE 600 |
5 | 2D 1H-1H ECOSY | 1 mg/mL conotoxin G117 | 90% H2O/10% D2O | 0 M | 5.1 | ambient atm | 298 | Bruker AVANCE 600 |
2 | 2D 1H-15N HSQC | 1 mg/mL conotoxin G117 | 90% H2O/10% D2O | 0 M | 5.1 | ambient atm | 298 | Bruker AVANCE 600 |
6 | 2D 1H-1H NOESY | 1 mg/mL conotoxin G117 | 90% H2O/10% D2O | 0 M | 5.1 | ambient atm | 298 | Bruker AVANCE 600 |
7 | 2D 1H-1H TOCSY | 1 mg/mL conotoxin G117 | 90% H2O/10% D2O | 0 M | 5.1 | ambient atm | 298 | Bruker AVANCE 600 |
3 | 2D 1H-13C HSQC | 1 mg/mL conotoxin G117 | 90% H2O/10% D2O | 0 M | 5.1 | ambient atm | 298 | Bruker AVANCE 600 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | Structures were calculated using torsion angle dynamics and subsequently refined and energy minimised in explicit solvent using Cartesian dynamics in CNS. | CNS |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | structure calculation | CYANA | 3.96 | Guntert, Mumenthaler and Wuthrich |
2 | refinement | CNS | 1.2 | Brunger, Adams, Clore, Gros, Nilges and Read |
3 | chemical shift assignment | CARA | Keller and Wuthrich | |
4 | data analysis | CARA | Keller and Wuthrich | |
5 | data analysis | TALOS | Cornilescu, Delaglio and Bax |