1L4W

NMR structure of an AChR-peptide (Torpedo Californica, alpha-subunit residues 182-202) in complex with alpha-Bungarotoxin

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	HOHAHA	1.8 mM alpha-Bungarotoxin/AChR-peptide, buffer,pH 4	90% H2O/10% D2O	50 mM Ac	4	ambient	303
2	2D NOESY	1.8 mM alpha-Bungarotoxin/AChR-peptide, buffer,pH 4	90% H2O/10% D2O	50 mM Ac	4	ambient	303
3	DQF-COSY	1.8 mM alpha-Bungarotoxin/AChR-peptide, buffer,pH 4	90% H2O/10% D2O	50 mM Ac	4	ambient	303
4	2D NOESY	1.8 mM alpha-Bungarotoxin/AChR-peptide, buffer,pH 4	100% D2O	50 mM Ac	4	ambient	303
5	DQF-COSY	1.8 mM alpha-Bungarotoxin/AChR-peptide, buffer,pH 4	100% D2O	50 mM Ac	4	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	800
2	Bruker	DMX	500

NMR Refinement
Method	Details	Software
distance geometry simulated annealing energy minimization		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number	1
Representative Model	1 (minimized average structure)

Additional NMR Experimental Information
Details	Mixing times of 40, 70 and 150 ms were measured for the NOESY experiment

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3	bruker
2	data analysis	AURELIA	2.8	spectrospin
3	structure solution	CNS	1	brunger
4	refinement	CNS	1	brunger

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.