1RSX

12-mer from site II calbindin D9K (DKNGDGEVSFEE) coordinating Cd(II)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D TOCSY	3mM Peptide and Cd(NO3)2. NaOH and HNO3 added for pH fixing to 6.6; 80% H2O, 20% D2O	80% H2O, 20% D2O	aprox 0	6.6	ambient	288
2	noesyjr	3mM Peptide and Cd(NO3)2. NaOH and HNO3 added for pH fixing to 6.6; 80% H2O, 20% D2O	80% H2O, 20% D2O	aprox 0	6.6	ambient	288

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITY	600

NMR Refinement
Method	Details	Software
torsion angle dynamics		NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	20
Conformers Submitted Total Number	10
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe	1.0	F. Delaglio, S. Grzesiek, G. W. Vuister, G. Zhu, J. Pfeifer, A. Bax
2	iterative matrix relaxation	MARDIGRAS	3.2	James, Borgias, Thomas, Liu, Kumar, Tonelli
3	structure solution	DYANA	1.5	Guenter, Mumenthaler, Herrmann
4	refinement	DYANA	1.5	Guenter, Mumenthaler, Herrmann

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.