2M0X

Solution structure of U14Ub1, an engineered ubiquitin variant with increased affinity for USP14

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D HNCA	1 mM [U-99% 13C; U-99% 15N] protein, 25 mM sodium phosphate, 125 mM sodium chloride	90% H2O/10% D2O	0.16	7.5	ambient	297
2	3D HNCACB	1 mM [U-99% 13C; U-99% 15N] protein, 25 mM sodium phosphate, 125 mM sodium chloride	90% H2O/10% D2O	0.16	7.5	ambient	297
3	3D HN(CO)CA	1 mM [U-99% 13C; U-99% 15N] protein, 25 mM sodium phosphate, 125 mM sodium chloride	90% H2O/10% D2O	0.16	7.5	ambient	297
4	3D 1H-15N NOESY	1 mM [U-99% 13C; U-99% 15N] protein, 25 mM sodium phosphate, 125 mM sodium chloride	90% H2O/10% D2O	0.16	7.5	ambient	297
5	3D C(CO)NH	1 mM [U-99% 13C; U-99% 15N] protein, 25 mM sodium phosphate, 125 mM sodium chloride	90% H2O/10% D2O	0.16	7.5	ambient	297
6	3D H(CCO)NH	1 mM [U-99% 13C; U-99% 15N] protein, 25 mM sodium phosphate, 125 mM sodium chloride	90% H2O/10% D2O	0.16	7.5	ambient	297
7	3D 1H-15N TOCSY	1 mM [U-99% 13C; U-99% 15N] protein, 25 mM sodium phosphate, 125 mM sodium chloride	90% H2O/10% D2O	0.16	7.5	ambient	297
8	3D HCCH-COSY	1 mM [U-99% 13C; U-99% 15N] protein, 25 mM sodium phosphate, 125 mM sodium chloride	100% D2O	0.16	7.5	ambient	297
9	3D 1H-13C NOESY	1 mM [U-99% 13C; U-99% 15N] protein, 25 mM sodium phosphate, 125 mM sodium chloride	100% D2O	0.16	7.5	ambient	297

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
2	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore