1MA2
Tachyplesin I Wild type peptide NMR Structure
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | Tachyplesin I peptide at 0.5 mM | 90%/10% H2O/D2O and 99% D2O with 0.15% TFA, pH 3.0 | 0.15% | 3.0 | 1 atm | 298 | |
2 | 2D TOCSY | Tachyplesin I peptide at 0.5 mM | 90%/10% H2O/D2O and 99% D2O with 0.15% TFA, pH 3.0 | 0.15% | 3.0 | 1 atm | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 500 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing with complete cross validation | CNS |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 300 |
Conformers Submitted Total Number | 31 |
Representative Model | 1 (minimized average structure) |
Additional NMR Experimental Information | |
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Details | 2D experiments were collected both in pure D2O and 9:1 H2O:D2O. To resolve overlap, two temperatures were used, 277K and 298K, and NOE restraints from both temperatures were used in the refinement process. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | structure solution | CNS | 1.0 | Brunger, Adams, Clore, DeLano, Gros, Grosse-Kunstleve, Jiang, Kuszewski, Nilges, Pannu, Read, Rice, Simonson, Warren |
2 | collection | XwinNMR | 6.1 | Bruker |
3 | processing | XwinNMR | 6.1 | Bruker |
4 | refinement | CNS | 1.0 | Brunger, Adams, Clore, DeLano, Gros, Grosse-Kunstleve, Jiang, Kuszewski, Nilges, Pannu, Read, Rice, Simonson, Warren |