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Solution Structure of the Membrane Proximal Regions of alpha-IIb and beta-3 Integrins
NMR Experiment 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 Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 500 2 Varian INOVA 800
NMR Refinement Method Details Software simulated annealing,
molecular dynamics,
matrix relaxation,
torsion angle dynamics XwinNMR
NMR Ensemble Information 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 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 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.