1Q5W

Ubiquitin Recognition by Npl4 Zinc-Fingers

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-separated_NOESY	1mM Npl4 NZF U-15N,13C; 2mM unlabeled-Ubiquitin; 20mM phosphate buffer pH 5.5, 50mM NaCl; 90% H2O, 10%	90% H2O/10% D2O	70mM	5.5	ambient	291
2	3D_15N-separated_NOESY	1mM Npl4 NZF U-15N,13C; 2mM unlabeled-Ubiquitin; 20mM phosphate buffer pH 5.5, 50mM NaCl; 90% H2O, 10%	90% H2O/10% D2O	70mM	5.5	ambient	291
3	HNCACB, CBCACONH, CCONH, HCCONH,HNCO, HNCACO	1mM Npl4 NZF U-15N,13C; 2mM unlabeled-Ubiquitin; 20mM phosphate buffer pH 5.5, 50mM NaCl; 90% H2O, 10%	90% H2O/10% D2O	70mM	5.5	ambient	291
4	3D_13C-separated_NOESY	1mM Ubiquitin U-15N,13C; 2mM unlabeled-Npl4 NZF; 20mM phosphate buffer pH 5.5, 50mM NaCl; 90% H2O, 10%	90% H2O/10% D2O	70mM	5.5	ambient	291
5	3D_15N-separated_NOESY	1mM Ubiquitin U-15N,13C; 2mM unlabeled-Npl4 NZF; 20mM phosphate buffer pH 5.5, 50mM NaCl; 90% H2O, 10%	90% H2O/10% D2O	70mM	5.5	ambient	291
6	HNCACB, CBCACONH, CCONH, HCCONH,HNCO, HNCACO	1mM Ubiquitin U-15N,13C; 2mM unlabeled-Npl4 NZF; 20mM phosphate buffer pH 5.5, 50mM NaCl; 90% H2O, 10%	90% H2O/10% D2O	70mM	5.5	ambient	291

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

NMR Refinement
Method	Details	Software
Torsion angle dynamics followed by simulated annealing	structures are based on 2072 NOE-derived distance constraints, 145 dihedral angle constraints ,104 H-Bond constraints, and 14 Zinc-coordination constraints.	DYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations,structures with the lowest energy,target function
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations,lowest energy)

Additional NMR Experimental Information
Details	inter-molecular NOEs identified with half-filtered and double half-filtered NOE experiments and samples #1 and #2.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	DYANA	1.5	Peter Guntert
2	refinement	CNS	1.1	"CRYSTALLOGRAPHY AND NMR SYSTEM (CNS): A NEW SOFTWARE SYSTEM
3	processing	Felix	97	www.accelrys.com
4	data analysis	Sparky	3.106	T.D. Goddard and D.G. Kneller, SPARKY 3,

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.