2GZU

High-resolution structure determination of the CylR2 homodimer using intermonomer distances from paramagnetic relaxation enhancement and NMR dipolar couplings

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-separated_NOESY	1mM CylR2 U-15N,13C; 50mM HEPES	95% H2O/5% D2O	600mM NaCl	7.0	ambient	298
2	3D_15N-separated_NOESY	0.3mM CylR2 U-15N; 50mM HEPES	95% H2O/5% D2O	350mM NaCl	7.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	AVANCE	700
3	Bruker	DRX	600

NMR Refinement
Method	Details	Software
torsion angle dynamics, simulated annealing		CYANA

NMR Ensemble Information
Conformer Selection Criteria	lowest total energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	15
Representative Model	9 (closest to the average)

Additional NMR Experimental Information
Details	The structure was determined using triple-resonance NMR spectroscopy.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	2.0	Guentert
2	refinement	XPLOR-NIH	2.9.7	Brunger
3	processing	NMRPipe	97.027.12.56	Delaglio
4	data analysis	Sparky	3.110	Goddard

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 R01GM157729.