2KEB

NMR solution structure of the N-terminal domain of the DNA polymerase alpha p68 subunit

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	0.75 mM [U-100% 13C; U-100% 15N] protein	95% H2O/5% D2O	0.05	6.5	ambient	298
2	3D 1H-15N NOESY	0.75 mM [U-100% 13C; U-100% 15N] protein	95% H2O/5% D2O	0.05	6.5	ambient	298
3	3D 1H-13C NOESY	0.75 mM [U-100% 13C; U-100% 15N] protein	95% H2O/5% D2O	0.05	6.5	ambient	298
4	4D 1H-13C NOESY	0.75 mM [U-100% 13C; U-100% 15N] protein	95% H2O/5% D2O	0.05	6.5	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800
2	Bruker	AVANCE	600
3	Bruker	AVANCE	500

NMR Refinement
Method	Details	Software
simulated annealing		CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	CYANA	2.1	Guntert, P. et al.
2	structure solution	CYANA	2.1	Guntert, P. et al.
3	refinement	Amber	9	Case, D. et al.

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.