6VY7
Structural characterization of novel conotoxin MIIIB derived from Conus magus
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-1H NOESY | 2 mM MIIIB Isomer F, 0.5 mM DSS | 95% H2O/5% D2O | 0 mM | 3.8 | 1 atm | 298 | Bruker AVANCE III HD 800 |
2 | 2D 1H-1H TOCSY | 2 mM MIIIB Isomer F, 0.5 mM DSS | 95% H2O/5% D2O | 0 mM | 3.8 | 1 atm | 298 | Bruker AVANCE III HD 800 |
3 | 2D 1H-15N HSQC | 2 mM MIIIB Isomer F, 0.5 mM DSS | 95% H2O/5% D2O | 0 mM | 3.8 | 1 atm | 298 | Bruker AVANCE III HD 800 |
4 | 2D 1H-13C HSQC | 2 mM MIIIB Isomer F, 0.5 mM DSS | 95% H2O/5% D2O | 0 mM | 3.8 | 1 atm | 298 | Bruker AVANCE III HD 800 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE III HD | 800 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | log harmonic potential used, water refinement used for 20 lowest energy structure | CNS |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | CNS | 1.21 | Brunger A. T. et.al. |
2 | structure calculation | ARIA | 2.3 | Linge, O'Donoghue and Nilges |
3 | chemical shift assignment | CcpNmr Analysis | 2.4.2 | CCPN |
4 | peak picking | CcpNmr Analysis | 2.4.2 | CCPN |