8EP5
Solution NMR structure of a computationally designed mastoparan-like peptide, mastoparan-R1
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-1H TOCSY | 1.5 mM Mastoparan-R1, 75 mM [U-98% 2H] SDS-d25, 0.05 % [U-98% 2H] DSS-d6 | 90% H2O/10% D2O | acid | 4.0 | 1 atm | 298 | Bruker AVANCE III 500 |
2 | 2D 1H-1H NOESY | 1.5 mM Mastoparan-R1, 75 mM [U-98% 2H] SDS-d25, 0.05 % [U-98% 2H] DSS-d6 | 90% H2O/10% D2O | acid | 4.0 | 1 atm | 298 | Bruker AVANCE III 500 |
3 | 2D 1H-13C HSQC | 1.5 mM Mastoparan-R1, 75 mM [U-98% 2H] SDS-d25, 0.05 % [U-98% 2H] DSS-d6 | 90% H2O/10% D2O | acid | 4.0 | 1 atm | 298 | Bruker AVANCE III 500 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE III | 500 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | CNS |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 200 |
Conformers Submitted Total Number | 10 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | chemical shift assignment | CcpNmr Analysis | 2.5.2 | CCPN |
2 | structure calculation | ARIA | 2.3.2 | Linge, O'Donoghue and Nilges |
3 | processing | TopSpin | Bruker Biospin | |
4 | peak picking | CcpNmr Analysis | CCPN | |
5 | refinement | CNS | Brunger, Adams, Clore, Gros, Nilges and Read |