1M8O

Platelet integrin alfaIIb-beta3 cytoplasmic domain

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	filtered 2D-NOESY for intermolecular NOEs	1mM 15N/13C MBP-beta3, 1.3 mM unlabeled alfaIIb,	20 mM phosphate buffer pH6.3 5mM Ca		6.3
2	filtered 2D-NOESY for intermolecular NOEs	1mM 15N/13C MBP-alfaiib, 1.3 mM unlabeled beta3,	20 mM phosphate buffer pH6.3 5mM Ca
3	2D-NOESY for transferred NOEs	1mM unlabeled alfaIIB, 0.1 mM unlabeled MBP-beta3, 0.2 mM unlabeled talin head domain	20 mM phosphate buffer pH6.3 5mM Ca

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	500

NMR Refinement
Method	Details	Software
simulated annealing	X-PLOR(Version 3.2)	VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with favorable non-bond energy
Conformers Calculated Total Number	20
Conformers Submitted Total Number	20
Representative Model	1 (minimized average structure)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6	Varian
2	processing	NMRPipe	2.1	Delagio
3	data analysis	PIPP	4.2.5	Garrett
4	structure solution	X-PLOR	3.2	Brunger
5	refinement	X-PLOR	3.2	Brunger

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.