2MC1

Solution structure of the Vav1 SH2 domain complexed with a Syk-derived singly phosphorylated peptide

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-99% 13C; U-99% 15N] protein, 1 mM peptide, 20 mM TRIS, 100 mM sodium chloride, 1 mM DTT, 0.02 % sodium azide	90% H2O/10% D2O	120	7.0	ambient	298
2	3D HNCACB	1 mM [U-99% 13C; U-99% 15N] protein, 1 mM peptide, 20 mM TRIS, 100 mM sodium chloride, 1 mM DTT, 0.02 % sodium azide	90% H2O/10% D2O	120	7.0	ambient	298
3	3D HCCH-TOCSY	1 mM [U-99% 13C; U-99% 15N] protein, 1 mM peptide, 20 mM TRIS, 100 mM sodium chloride, 1 mM DTT, 0.02 % sodium azide	90% H2O/10% D2O	120	7.0	ambient	298
4	3D H(CCO)NH	1 mM [U-99% 13C; U-99% 15N] protein, 1 mM peptide, 20 mM TRIS, 100 mM sodium chloride, 1 mM DTT, 0.02 % sodium azide	90% H2O/10% D2O	120	7.0	ambient	298
5	3D C(CO)NH	1 mM [U-99% 13C; U-99% 15N] protein, 1 mM peptide, 20 mM TRIS, 100 mM sodium chloride, 1 mM DTT, 0.02 % sodium azide	90% H2O/10% D2O	120	7.0	ambient	298
6	3D 1H-15N NOESY	1 mM [U-99% 13C; U-99% 15N] protein, 1 mM peptide, 20 mM TRIS, 100 mM sodium chloride, 1 mM DTT, 0.02 % sodium azide	90% H2O/10% D2O	120	7.0	ambient	298
7	3D 1H-13C NOESY	1 mM [U-99% 13C; U-99% 15N] protein, 1 mM peptide, 20 mM TRIS, 100 mM sodium chloride, 1 mM DTT, 0.02 % sodium azide	90% H2O/10% D2O	120	7.0	ambient	298
8	3D 1H-13C NOESY aromatic	1 mM [U-99% 13C; U-99% 15N] protein, 1 mM peptide, 20 mM TRIS, 100 mM sodium chloride, 1 mM DTT, 0.02 % sodium azide	90% H2O/10% D2O	120	7.0	ambient	298
9	2D 1H-1H TOCSY	1 mM [U-99% 13C; U-99% 15N] protein, 1 mM peptide, 20 mM TRIS, 100 mM sodium chloride, 1 mM DTT, 0.02 % sodium azide	90% H2O/10% D2O	120	7.0	ambient	298
10	2D 1H-1H NOESY	1 mM [U-99% 13C; U-99% 15N] protein, 1 mM peptide, 20 mM TRIS, 100 mM sodium chloride, 1 mM DTT, 0.02 % sodium azide	90% H2O/10% D2O	120	7.0	ambient	298

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	100
Conformers Submitted Total Number	20
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
3	chemical shift assignment	CYANA		Guntert, Mumenthaler and Wuthrich
4	structure solution	CYANA		Guntert, Mumenthaler and Wuthrich