2LB0 | pdb_00002lb0

Structure of the first WW domain of human Smurf1 in complex with a di-phosphorylated human Smad1 derived peptide

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	1 mM NEDD4LWW3-1, 3 mM SMAD3-2, 20 mM sodium phosphate-3, 100 mM sodium chloride-4, 2 mM sodium azide-5	90% H2O/10% D2O	0.420	7	ambient	285
2	2D 1H-1H TOCSY	1 mM NEDD4LWW3-1, 3 mM SMAD3-2, 20 mM sodium phosphate-3, 100 mM sodium chloride-4, 2 mM sodium azide-5	90% H2O/10% D2O	0.420	7	ambient	285
3	3D CBCA(CO)NH	1 mM [U-100% 13C; U-100% 15N] NEDD4LWW3-11, 3 mM SMAD3-12, 20 mM sodium phosphate-13, 100 mM sodium chloride-14, 2 mM sodium azide-15	90% H2O/10% D2O	0.420	7	ambient	285
4	3D HNCACB	1 mM [U-100% 13C; U-100% 15N] NEDD4LWW3-11, 3 mM SMAD3-12, 20 mM sodium phosphate-13, 100 mM sodium chloride-14, 2 mM sodium azide-15	90% H2O/10% D2O	0.420	7	ambient	285
5	2D 1H-15N HSQC	1 mM [U-100% 15N] NEDD4LWW3-6, 3 mM SMAD3-7, 20 mM sodium phosphate-8, 100 mM sodium chloride-9, 2 mM sodium azide-10	90% H2O/10% D2O	0.420	7	ambient	285

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

NMR Refinement
Method	Details	Software
simulated annealing		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry
Conformers Calculated Total Number	300
Conformers Submitted Total Number	21
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CNS	1.3	Brunger, Adams, Clore, Gros, Nilges and Read
2	chemical shift assignment	XEASY		Bartels et al.
3	collection	TopSpin		Bruker Biospin
4	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
5	refinement	CNS