2NBE | pdb_00002nbe

Solution structure of V26A mutant of Ubiquitin at pH 2.0

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1 mM [U-13C; U-15N] Ubiquitin-1	90% H2O/10% D2O	150	2.0	ambient	298
2	3D HNCO	1 mM [U-13C; U-15N] Ubiquitin-1	90% H2O/10% D2O	150	2.0	ambient	298
3	3D HNCA	1 mM [U-13C; U-15N] Ubiquitin-1	90% H2O/10% D2O	150	2.0	ambient	298
4	3D HNCACB	1 mM [U-13C; U-15N] Ubiquitin-1	90% H2O/10% D2O	150	2.0	ambient	298
5	3D CBCA(CO)NH	1 mM [U-13C; U-15N] Ubiquitin-1	90% H2O/10% D2O	150	2.0	ambient	298
6	3D C(CO)NH	1 mM [U-13C; U-15N] Ubiquitin-1	90% H2O/10% D2O	150	2.0	ambient	298
7	3D H(CCO)NH	1 mM [U-13C; U-15N] Ubiquitin-1	90% H2O/10% D2O	150	2.0	ambient	298
8	3D 1H-15N NOESY	1 mM [U-13C; U-15N] Ubiquitin-1	90% H2O/10% D2O	150	2.0	ambient	298

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

NMR Refinement
Method	Details	Software
simulated annealing		Sparky

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	Sparky	3.115	Goddard
2	refinement	NIHxplor