2KLE

ISIC Refined Solution Structure of the Calcium Binding Domain of the C-terminal Cytosolic Domain of Polycystin-2

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.5mM [U-100% 13C; U-100% 15N] Polycystin-2 Polypeptide-1, 5mM Ca2+-2, 0.1mM DSS-3, 10mM potassium phosphate buffer-4, 500mM NaCl-5, 2mM DTE-6	90% H2O/10% D2O	0.51	6.8	ambient	293
2	3D HNCA	0.5mM [U-100% 13C; U-100% 15N] Polycystin-2 Polypeptide-1, 5mM Ca2+-2, 0.1mM DSS-3, 10mM potassium phosphate buffer-4, 500mM NaCl-5, 2mM DTE-6	90% H2O/10% D2O	0.51	6.8	ambient	293
3	3D CBCA(CO)NH	0.5mM [U-100% 13C; U-100% 15N] Polycystin-2 Polypeptide-1, 5mM Ca2+-2, 0.1mM DSS-3, 10mM potassium phosphate buffer-4, 500mM NaCl-5, 2mM DTE-6	90% H2O/10% D2O	0.51	6.8	ambient	293
4	3D HNCACB	0.5mM [U-100% 13C; U-100% 15N] Polycystin-2 Polypeptide-1, 5mM Ca2+-2, 0.1mM DSS-3, 10mM potassium phosphate buffer-4, 500mM NaCl-5, 2mM DTE-6	90% H2O/10% D2O	0.51	6.8	ambient	293
5	3D HNCANNH	0.5mM [U-100% 13C; U-100% 15N] Polycystin-2 Polypeptide-1, 5mM Ca2+-2, 0.1mM DSS-3, 10mM potassium phosphate buffer-4, 500mM NaCl-5, 2mM DTE-6	90% H2O/10% D2O	0.51	6.8	ambient	293
6	3D HNCO	0.5mM [U-100% 13C; U-100% 15N] Polycystin-2 Polypeptide-1, 5mM Ca2+-2, 0.1mM DSS-3, 10mM potassium phosphate buffer-4, 500mM NaCl-5, 2mM DTE-6	90% H2O/10% D2O	0.51	6.8	ambient	293
7	2D 15N-TOCSY-HSQC	0.5mM [U-100% 13C; U-100% 15N] Polycystin-2 Polypeptide-1, 5mM Ca2+-2, 0.1mM DSS-3, 10mM potassium phosphate buffer-4, 500mM NaCl-5, 2mM DTE-6	90% H2O/10% D2O	0.51	6.8	ambient	293
8	3D HCCH-TOCSY	0.5mM [U-100% 13C; U-100% 15N] Polycystin-2 Polypeptide-1, 5mM Ca2+-2, 0.1mM DSS-3, 10mM potassium phosphate buffer-4, 500mM NaCl-5, 2mM DTE-6	90% H2O/10% D2O	0.51	6.8	ambient	293
9	2D 1H-1H NOESY	0.5mM [U-100% 13C; U-100% 15N] Polycystin-2 Polypeptide-1, 5mM Ca2+-2, 0.1mM DSS-3, 10mM potassium phosphate buffer-4, 500mM NaCl-5, 2mM DTE-6	90% H2O/10% D2O	0.51	6.8	ambient	293
10	3D 1H-15N-NOESY-HSQC	0.5mM [U-100% 13C; U-100% 15N] Polycystin-2 Polypeptide-1, 5mM Ca2+-2, 0.1mM DSS-3, 10mM potassium phosphate buffer-4, 500mM NaCl-5, 2mM DTE-6	90% H2O/10% D2O	0.51	6.8	ambient	293

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

NMR Refinement
Method	Details	Software
restrained molecular dynamics, simulated annealing	THE STRUCTURES WERE FIRST REFINED WITH AUREMOL-ISUC AND THEN REFINED WITH CNS IN EXPLICIT WATER; Brunner, K., Gronwald, W., Trenner, J.M., Neidig, K.P., and Kalbitzer, H.R. (2006) BMC Struct. Biol. 6, 14, for Waterre finement; Linge, J.P., Williams, M.A., Spronk, C.A.E.M., Bonvin, A.M.J.J. & Nilges, M. (2003). Refinement of protein structures in explicit solvent. Proteins: Struct. Funct. Genet. 50, 496-506 for EXPLICIT WATER refinement	AUREMOL

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	1000
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	AUREMOL		Bruker Biospin
2	processing	TopSpin	2.1	Bruker Biospin
3	data analysis	TopSpin	2.1	Bruker Biospin
4	refinement	CNS	1.1	BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU,READ, RICE,SIMONSON,WARREN
5	refinement	Auremol-ISIC		Brunner, K., Gronwald, W., Trenner, J.M., Neidig, K.P., and Kalbitzer, H.R.

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.