Experiment: 2Z4D

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	HNCACB, HNCA/HN(CO)CA, HNCO/HN(CA)CO	0.4mM Rpn13 U-15N, 13C; U-70% 2H; 20mM phosphate buffer; 50mM NaCl; 4mM DTT; 90% H2O, 10% D2O	90% H2O/10% D2O	20mM phosphate, 50mM NaCl	6.5	ambient	298
2	3D_15N-separated_NOESY	0.5mM Rpn13 U-15N; U-50% 2H; 20mM phosphate buffer; 50mM NaCl; 4mM DTT; 90% H2O, 10% D2O	90% H2O/10% D2O	20mM phosphate, 50mM NaCl	6.5	ambient	298
3	3D_13C-separated_NOESY	0.5mM Rpn13 U-13C; 20mM phosphate buffer; 50mM NaCl; 4mM DTT; 100% D2O	100% D2O	20mM phosphate, 50mM NaCl	6.5	ambient	298
4	HCCH-TOCSY	0.5mM Rpn13 U-13C; 20mM phosphate buffer; 50mM NaCl; 4mM DTT; 100% D2O	100% D2O	20mM phosphate, 50mM NaCl	6.5	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Varian	INOVA	800

NMR Refinement
Method	Details	Software
simulated annealing	The structures are based on a total of 1084 restraints, 949 are NOE-derived distance constraints, 79 dihedral angle restraints, 56 distance restraints from hydrogen bonds.	NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	35
Conformers Submitted Total Number	8
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe	2006	Frank Delaglio, Stephan Grzesiek, Guang Zhu, Geerten W. Vuister, John Pfeifer and Ad Bax
2	data analysis	XEASY	1996	Tai-he Xia and Christian Bartels
3	structure solution	X-PLOR	3.851	A. T. Brunger
4	refinement	X-PLOR	3.851

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.