1KUP
Solution Structure of the Membrane Proximal Regions of alpha-IIb and beta-3 Integrins
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 2 mM aIIb/b3 peptides; pH 5.2 (unbuffered), 90% H2O 10% D2O | 90% H2O/10% D2O | 5.2 | ambient | 298 | ||
2 | 2D NOESY | 2 mM aIIb/b3 peptides; pH 5.2 (unbuffered) | 100% D2O | 5.2 | ambient | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 500 |
2 | Varian | INOVA | 800 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing, molecular dynamics, matrix relaxation, torsion angle dynamics | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with acceptable covalent geometry,structures with the least restraint violations,structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Additional NMR Experimental Information | |
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Details | This structure was determined using standard 2D homonuclear techniques. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 2.6 | Bruker |
2 | processing | NMRPipe | Version 1.8 Rev 2000.243.12.42 | Bax, A et al. |
3 | refinement | CNS | 1.1 | Brunger, A.T. et al. |
4 | refinement | ARIA | 1.1 | Nilges, M. et al. |
5 | data analysis | NMRView | 5.03 | Johnson, B.A. et al. |