1MR6

Solution Structure of gamma-Bungarotoxin:Implication for the role of the Residues Adjacent to RGD in Integrin Binding

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	3mM bungarotoxin	90% H2O/10% D2O	No salt added	6	ambient	300
2	2D TOCSY	3mM bungarotoxin	90% H2O/10% D2O	No salt added	6	ambient	300
3	DQF-COSY	3mM bungarotoxin	90% H2O/10% D2O	No salt added	6	ambient	300
4	2D NOESY	3mM bungarotoxin	100% D2O	No salt added	6	ambient	300
5	2D TOCSY	3mM bungarotoxin	100% D2O	No salt added	6	ambient	300
6	2D NOESY	3mM bungarotoxin	90% H2O/10% D2O		4	ambient	300
7	2D TOCSY	3mM bungarotoxin	90% H2O/10% D2O		4	ambient	300

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600

NMR Refinement
Method	Details	Software
simulated annealing	the structures are based on a total of 817 restraints, 770 are NOE-derived distance constraints, 47 dihedral angle restraints	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations, structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	6 (fewest violations)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR	3.85
2	data analysis	AURELIA	3.0	Neidig
3	processing	XwinNMR	2.6	Bruker

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 R01GM133198.