Experiment: 1IDI

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D_TOCSY	2.0 mM free alpha-Bungarotoxin, 50 mM perdeuterated potassium acetate buffer (pH 4.0) with 5% D2O and 0.05% SODIUM azide	95% H2O/5% D2O		4.0	ambient	308
2	2D_NOESY	2.0 mM free alpha-Bungarotoxin, 50 mM perdeuterated potassium acetate buffer (pH 4.0) with 5% D2O and 0.05% SODIUM azide	95% H2O/5% D2O		4.0	ambient	308

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

NMR Refinement
Method	Details	Software
distance geometry and simulated annealing		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number	1
Conformers Submitted Total Number	1

Additional NMR Experimental Information
Details	The chirality error is in THR 8 CB, OG1; LYS 38 CA, CB; GLU 55 CA, HA. There is no chirality error if MOLMOL is used to view the structure.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.1	Bruker
2	processing	NMRPipe	1.8	Delaglio, F. et al.
3	data analysis	Sparky	3.95	Goddard, T.D. and Kneller, D.G.
4	refinement	CNSsolve	1.0	Brunger, A.T. et al.

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.