2CSA

Structure of the M3 Muscarinic Acetylcholine Receptor Basolateral Sorting Signal

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D TOCSY	1-2mM M3 peptide, unlabeled, 50mM sodium phosphate buffer, 1mM EDTA, 1mM NaN3	90% H2O, 10% D20		6.4	ambient	285
2	2D TOCSY	1-2mM M3 peptide, unlabeled, 50mM sodium phosphate buffer, 1mM EDTA, 1mM NaN3	99.9 % D20, 0.1% H20		6.4	ambient	285
3	2D NOESY	1-2mM M3 peptide, unlabeled, 50mM sodium phosphate buffer, 1mM EDTA, 1mM NaN3	90% H2O, 10% D20		6.4	ambient	285
4	2D NOESY	1-2mM M3 peptide, unlabeled, 50mM sodium phosphate buffer, 1mM EDTA, 1mM NaN3	90% H2O, 10% D20		6.4	ambient	278
5	2D NOESY	1-2mM M3 peptide, unlabeled, 50mM sodium phosphate buffer, 1mM EDTA, 1mM NaN3	90% H2O, 10% D20		6.4	ambient	288
6	2D NOESY	1-2mM M3 peptide, unlabeled, 50mM sodium phosphate buffer, 1mM EDTA, 1mM NaN3	90% H2O, 10% D20		6.4	ambient	298
7	2D NOESY	1-2mM M3 peptide, unlabeled, 50mM sodium phosphate buffer, 1mM EDTA, 1mM NaN3	90% H2O, 10% D20		6.4	ambient	308
8	2D NOESY	1-2mM M3 peptide, unlabeled, 50mM sodium phosphate buffer, 1mM EDTA, 1mM NaN3	90% H2O, 10% D20		6.4	ambient	318
9	DQF-COSY	1-2mM M3 peptide, unlabeled, 50mM sodium phosphate buffer, 1mM EDTA, 1mM NaN3	90% H2O, 10% D20		6.4	ambient	285

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	500

NMR Refinement
Method	Details	Software
Distance Geometry, Simulated Annealing, Energy minimization	Structures are based on a total of 58 inter-residue NOE distance restraints and 5 dihedral angle restraints	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	NOESY spectra were collected with a mixing time of 300ms

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Bruker
2	processing	NMRPipe		Delaglio
3	data analysis	NMRView	5	Delaglio
4	refinement	CNS	1.1	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 R01GM133198.