1S6J

N-terminal Region of the Ca2+-saturated calcium regulatory domain (CLD) from Soybean Calcium-dependent Protein Kinase-alpha (CDPK)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	0.5 mM U-15N NtH-CLD; 200 mM NaCl; 10 mM CaCl2; 95% H2O, 5% D2O	95% H2O/5% D2O	200 mM NaCl, 10 mM CaCl2	6.9	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	800
2	Bruker	AVANCE	500

NMR Refinement
Method	Details	Software
simulated annealing; molecular dynamics; matrix relaxation	Based on 765 unambiguous NOE-derived restraints, 118 ambiguous NOE-derived restraints, 130 dihedral angle restraints (CSI and TALOS derived)	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	back calculated data agree with experimental NOESY spectrum,structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	15

Additional NMR Experimental Information
Details	The structure was determined using triple-resonance NMR spectroscopy

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Bruker
2	processing	NMRPipe	2.1	Delaglio and Bax
3	data analysis	NMRView	5.04	Johnson
4	structure solution	CNS	1.1	Brunger
5	iterative matrix relaxation	ARIA	1.2	Nilges
6	collection	VNMR	unknown	Varian
7	refinement	CNS	1.1	Brunger

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.