2F52

Solution structure of cold shock protein CspB from Bacillus subtilis in complex with heptathymidine

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	0.8mM CspB U-15N, 50mM Na-cacodylate, 3mM MgCl2, 1.2mM heptathymidine, 90% H2O, 10% D2O	90% H2O/10% D2O	53mM buffer salt	7.0	ambient	288
2	3D_15N-separated_NOESY	0.8mM CspB U-15N, 50mM Na-cacodylate, 3mM MgCl2, 1.2mM heptathymidine, 90% H2O, 10% D2O	90% H2O/10% D2O	53mM buffer salt	7.0	ambient	288
3	3D_13C-separated_NOESY	0.8mM CspB U-15N, 13C, 50mM Na-cacodylate, 3mM MgCl2, 1.2mM heptathymidine, 90% H2O, 10% D2O	90% H2O/10% D2O	53mM buffer salt	7.0	ambient	288
4	HNHA	0.8mM CspB U-15N, 13C, 50mM Na-cacodylate, 3mM MgCl2, 1.2mM heptathymidine, 90% H2O, 10% D2O	90% H2O/10% D2O	53mM buffer salt	7.0	ambient	288
5	RDC with IPAP	0.8mM CspB U-15N, 50mM Na-cacodylate, 3mM MgCl2, 1.2mM heptathymidine, 90% H2O, 10% D2O	90% H2O/10% D2O	53mM buffer salt	7.0	ambient	288

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	900
2	Bruker	DMX	750
3	Bruker	AVANCE	600
4	Bruker	DRX	500

NMR Refinement
Method	Details	Software
simulated annealing		Felix

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	120
Conformers Submitted Total Number	18
Representative Model	1 (smalest pair-wise rmsd)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	Felix	2.3	MSI
2	structure solution	X-PLOR	1.2.1	NIH
3	refinement	X-PLOR	1.2.1	NIH

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.