2AMI

Solution Structure Of The Calcium-loaded N-Terminal Sensor Domain Of Centrin

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1-2mM Centrin unlabeled; 25mM Tris-d11, 5-10mM CaCl2, pH 7.0; 90% H2O, 10% D2O	90% H2O/10% D2O	5-10mM CaCl2	7	ambient	298
2	3D 15N-NOESY-HSQC	1-2mM Centrin U-15N; 25mM Tris-d11, 5-10mM CaCl2, pH 7.0; 90% H2O, 10% D2O	90% H2O/10% D2O	5-10mM CaCl2	7	ambient	298
3	3D 13C-NOESY-HSQC	1-2mM Centrin U-13C; 25mM Tris-d11, 5-10mM CaCl2, pH 7.0; 100% D2O	100% D2O	5-10mM CaCl2	7	ambient	298
4	4D 13C-HMQC-NOESY-HMQC	1-2mM Centrin U-13C; 25mM Tris-d11, 5-10mM CaCl2, pH 7.0; 100% D2O	100% D2O	5-10mM CaCl2	7	ambient	298

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

NMR Refinement
Method	Details	Software
distance geometry simulated annealing	A total of 1248 experimentally derived NMR restraints (1108 NOE-based distance restraints, 24 hydrogen bond distance restraints, 116 backbone torsion angle restraints) were used in the structure calculations.	FELIX

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations,lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	FELIX	2000	Accelrys
2	processing	SANE	1	Duggan, B.M.
3	structure solution	DYANA	1.5	Guntert P.
4	refinement	AMBER	7.0	Pearlman, D.A.
5	collection	XWINNMR	2.6	Bruker

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.