8QBP
Conformations of macrocyclic peptides sampled by exact NOEs: models for cell-permeability. NMR structure of Omphalotin A in methanol / water indoleOut conformation.
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 | 20 uM omphalotin A | methanol/water | 0 M | 7 | 1 bar | 278 | Bruker AVANCE III HD 900 |
2 | 2D 1H-1H TOCSY | 20 uM omphalotin A | methanol/water | 0 M | 7 | 1 bar | 278 | Bruker AVANCE III HD 900 |
3 | 2D 1H-13C HSQC | 20 uM omphalotin A | methanol/water | 0 M | 7 | 1 bar | 278 | Bruker AVANCE III HD 900 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE III HD | 900 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | Amber |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the least restraint violations |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Representative Model | 13 (fewest violations) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | processing | TopSpin | 4.0.7 | Bruker Biospin |
2 | structure calculation | CYANA | Guntert, Mumenthaler and Wuthrich | |
3 | refinement | Amber | 22 | Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman |
4 | peak picking | NMRPipe | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |
5 | chemical shift assignment | CcpNmr Analysis | CCPN |