1P9C

NMR solution structure of the C-terminal ubiquitin-interacting motif of the proteasome subunit S5a

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2mM S5a peptide, unlabeled	50mM sodium phosphate; 100mM sodium chloride; 5% D2O	150mM	6.5	ambient	300
2	3D_13C-separated_NOESY	2mM S5a peptide U-15N,13C	50mM sodium phosphate; 100mM sodium chloride; 5% D2O	150mM	6.5	ambient	300

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500
2	Bruker	DRX	600

NMR Refinement
Method	Details	Software
simulated annealing	The structures are based on a total of 474 distance restraints, 452 are NOE-derived distance restraints, 22 are from hydrogen bonds	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	The structure was determined using standard triple-resonance NMR spectroscopy techniques

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	XwinNMR	2.5	Bruker Karlsruhe
2	data analysis	AURELIA	2.8.9	Neidig
3	structure solution	X-PLOR	3.1	Brunger
4	refinement	X-PLOR	3.1	Brunger

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.