1YL8
3D Solution Structure of [Tyr3]Octreotate derivatives in DMSO
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D TOCSY | 2-3mM [Tyr3]Octreotate; DMSO | DMSO-d6 | ambient | 298 | |||
2 | 2D NOESY | 2-3mM [Tyr3]Octreotate; DMSO | DMSO-d6 | ambient | 298 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DPX | 400 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing, torsion angle dynamics | The calculated structures have been calculated using 154 NOE-derived constraints extracted from NOESY spectra acquired using 400 ms of mixing time. | XwinNMR |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | target function |
Conformers Calculated Total Number | 400 |
Conformers Submitted Total Number | 21 |
Representative Model | 1 (minimized average structure) |
Additional NMR Experimental Information | |
---|---|
Details | This structure was determined using standard 2D homonuclear techniques. |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 2.6 | Bruker |
2 | data analysis | XEASY | 1.3 | Eccles, C.; Guntert, P.; Billeter, M.; Wuthrich, K. |
3 | structure solution | DYANA | 1.5 | Guntert, P.; Mumenthaler, C.; Wuthrich, K. |
4 | refinement | Amber | 5 | Pearlman, D.A.; Case, D.A.; Caldwell, J.W.; Ross, W.S.; Cheatham, T.E.; Ferguson, D.M.; Seibel, G.L.; Singh, U.C.; Weiner, P.K.; Kollman, P.A. |