6FCE
NMR ensemble of Macrocyclic Peptidomimetic Containing Constrained a,a-dialkylated Amino Acids with Potent and Selective Activity at Human Melanocortin Receptors
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 1D 1H | 2.0 mM Peptide, 10 % v/v [U-99% 2H] D2O, 0.1 mM TSP, 200 mM [U-100% 2H] DPC | 90% H2O/10% D2O | 0 mM | 5.5 | 1 atm | 298 | Varian INOVA 700 |
2 | 2D 1H-1H TOCSY | 2.0 mM Peptide, 10 % v/v [U-99% 2H] D2O, 0.1 mM TSP, 200 mM [U-100% 2H] DPC | 90% H2O/10% D2O | 0 mM | 5.5 | 1 atm | 298 | Varian INOVA 700 |
3 | 2D 1H-1H NOESY | 2.0 mM Peptide, 10 % v/v [U-99% 2H] D2O, 0.1 mM TSP, 200 mM [U-100% 2H] DPC | 90% H2O/10% D2O | 0 mM | 5.5 | 1 atm | 298 | Varian INOVA 700 |
4 | 2D DQF-COSY | 2.0 mM Peptide, 10 % v/v [U-99% 2H] D2O, 0.1 mM TSP, 200 mM [U-100% 2H] DPC | 90% H2O/10% D2O | 0 mM | 5.5 | 1 atm | 298 | Varian INOVA 700 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 700 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | CYANA |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
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 | XEASY | Bartels et al. | |
2 | structure calculation | CYANA | Guntert, Mumenthaler and Wuthrich | |
3 | processing | NMRDraw | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax |