2K58

NMR structures of the first transmembrane domain of the neuronal acetylcholine receptor beta 2 subunit

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.83 mM [U-100% 15N] nAChR TM1, 0.5 mM DSS, 125 mM DPC	90% H2O/10% D2O	0.1	5.5	ambient	303
2	2D 1H-1H NOESY	0.83 mM [U-100% 15N] nAChR TM1, 0.5 mM DSS, 125 mM DPC	90% H2O/10% D2O	0.1	5.5	ambient	303
3	2D 1H-1H TOCSY	0.83 mM [U-100% 15N] nAChR TM1, 0.5 mM DSS, 125 mM DPC	90% H2O/10% D2O	0.1	5.5	ambient	303
4	3D 1H-15N NOESY	0.83 mM [U-100% 15N] nAChR TM1, 0.5 mM DSS, 125 mM DPC	90% H2O/10% D2O	0.1	5.5	ambient	303

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

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	60
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
2	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore

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.