1TTX

Solution Structure of human beta parvalbumin (oncomodulin) refined with a paramagnetism based strategy

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-separated_NOESY	4mM protein U-15N-13C; 100mM NaCl; pH 6.5	90% H2O/10% D2O	100mM NaCl	6.5	ambient	298
2	3D_15N-separated_NOESY	4mM protein U-15N; 100mM NaCl; pH 6.5	90% H2O/10% D2O	100mM NaCl	6.5	ambient	298
3	2D NOESY	4mM protein unlabeled; 100mM NaCl; pH 6.5	90% H2O/10% D2O	100mM NaCl	6.5	ambient	298
4	HNHA	4mM protein U-15N; 100mM NaCl; pH 6.5	90% H2O/10% D2O	100mM NaCl	6.5	ambient	298

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

NMR Refinement
Method	Details	Software
distance geometry simulated annealing torsion angle dynamics; pseudocontact shifts residual dipolar couplings;		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	The structure was determined using diamagnetic constraints plus Pseudocontact Shifts and Residual Dipolar Coupling

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.1	Brunger
2	processing	XwinNMR	3.1	Brunger
3	data analysis	Sparky	3	Goddard
4	structure solution	DYANA	1.5	Guntert
5	refinement	Amber	5	Pearlman

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.