1U34

3D NMR structure of the first extracellular domain of CRFR-2beta, a type B1 G-protein coupled receptor

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	0.2mM 13C, 15N labelled ECD1-CRFR2b in 10mM BisTris(HCl); pH 7.4	95% H2O/5% D2O	0.2mM in 10mM BisTris(HCl)	7.4	Ambient	298
2	3D_13C-separated_NOESY	0.2mM 13C, 15N labelled ECD1-CRFR2b in 10mM BisTris(HCl); pH 7.4	95% H2O/5% D2O	0.2mM in 10mM BisTris(HCl)	7.4	Ambient	298
3	HNCA-J	0.2mM 13C, 15N labelled ECD1-CRFR2b in 10mM BisTris(HCl); pH 7.4	95% H2O/5% D2O	0.2mM in 10mM BisTris(HCl)	7.4	Ambient	298
4	3D CBCA(CO)NH	0.2mM 13C, 15N labelled ECD1-CRFR2b in 10mM BisTris(HCl); pH 7.4	95% H2O/5% D2O	0.2mM in 10mM BisTris(HCl)	7.4	Ambient	298
5	2D TOCSY	0.2mM 13C, 15N labelled ECD1-CRFR2b in 10mM BisTris(HCl); pH 7.4	100% D2O	0.2mM in 10mM BisTris(HCl)	7.4	Ambient	298
6	2D NOESY	0.2mM 13C, 15N labelled ECD1-CRFR2b in 10mM BisTris(HCl); pH 7.4	100% D2O	0.2mM in 10mM BisTris(HCl)	7.4	Ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	700

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing, molecular dynamics, torsion angle dynamics	A total of 1089 meaningful distance restraints and 362 angle restraints were used as an input in the program CYANA followed by restrained energy minimisation using INSIGHT.	CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	6 (closest to the average)

Additional NMR Experimental Information
Details	The NOEs for structure calculation were taken from 3D and 2D NOESY experiments

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	1.0.6	Peter Guntert, Torsten Herrmann
2	refinement	CYANA	1.0.6	Peter Guntert, Torsten Herrmann

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.