1ZW8

Solution structure of a ZAP1 zinc-responsive domain provides insights into metalloregulatory transcriptional repression in Saccharomyces cerevisiae

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	0.7 mM protein, 1.5 mM Zn(II), 20 mM MES, 0.2 mM DSS, 1 mM NaN2, 5 mM Beta-mercaptoethanol	90% H2O, 10% D2O or 99% D2O	no salt	6.9	1 atm	293
2	3D_13C-separated_NOESY	0.7 mM protein, 1.5 mM Zn(II), 20 mM MES, 0.2 mM DSS, 1 mM NaN2, 5 mM Beta-mercaptoethanol	90% H2O, 10% D2O or 99% D2O	no salt	6.9	1 atm	293

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

NMR Refinement
Method	Details	Software
torsion angle dynamics combined with cartesian refinement	1443 NOE-derived distance restraints, and 98 dihedral angle restraints.	CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Additional NMR Experimental Information
Details	pulse squences were from the Varian BioPack software package add-on within VNMR two 3D 13C-NOESY-HSQC spectra were recorded in 99% (v/v)D2O with carrier centered on aliphatic (43 ppm) and aromatic (125 ppm) regions, respectiviely.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS	1.1	A.T.Brunger, P.D.Adams, G.M.Clore, W.L.Delano, P.Gros, R.W.Grosse-Kunstleve, J.-S.Jiang, J.Kuszewski, M.Nilges, N.S.Pannu, R.J.Read, L.M.Rice, T.Simonson, G.L.Warren

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.