1C7V

NMR SOLUTION STRUCTURE OF THE CALCIUM-BOUND C-TERMINAL DOMAIN (W81-S161) OF CALCIUM VECTOR PROTEIN FROM AMPHIOXUS

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	Unlabeled	Deuterated Tris buffer (20 mM), 100 mM KCl, pH 6.5, 7% D2O	100 mM KCl	6.5	ambient	308
2	3D (1H-15N)NOESY-HSQC	Uniformly 15N labeled	Deuterated Tris buffer (20 mM), 100 mM KCl, pH 6.5	100 mM KCl	6.5	ambient	308

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	Unity 500	500

NMR Refinement
Method	Details	Software
Distance Geometry (DGII) and Simulated Annealing (Discover)	The structure is based on 938 NOE restraints, 66 hydrogen bond restraints and 99 dihedral angle restraints	Felix

NMR Ensemble Information
Conformer Selection Criteria	agreement with NOE restraints, geometry quality
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20

Additional NMR Experimental Information
Details	This structure was determined using 2D, homonuclear and 3D heteronuclear experiments.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	Felix	97.0	MSI (San Diego)
2	refinement	Felix	97.0	MSI (San Diego)

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.