2MCN

Distinct ubiquitin binding modes exhibited by SH3 domains: molecular determinants and functional implications

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	0.2 mM [U-99% 15N] CD2AP SH3-A, 1 mM ubiquitin	90% H2O/10% D2O	0	6.0	1 atm	298
2	3D HNCO JNH, JCC, JCH, JCAHA	0.9 mM [U-99% 13CU-99% 15N] CD2AP SH3-A, 0.46 mM [U-99% 15N ubiquitin	90% H2O/10% D2O	0	6.0	1 atm	298
3	3D HNCO JNH, JCC, JCH, JCAHA	0.8 mM [U-99% 13CU-99% 15N] CD2AP SH3-A, 1.37 mM [U-99% 15N] ubiquitin	90% H2O/10% D2O	0	6.0	1 atm	298
4	3D HNCO JNH, JCC, JCH, JCAHA	0.7 mM [U-99% 13CU-99% 15N] CD2AP SH3-A, 1.75 mM [U-99% 15N] ubiquitin	90% H2O/10% D2O	0	6.0	1 atm	298
5	2D 1H-15N HSQC FILTERED DIPSAP	0.25 mM [U-99% 13C; U-99% 15N] CD2AP SH3-A, 1.75 MM [U-99% 15N] ubiquitin	90% H2O/10% D2O	0	6.0	1 atm	298
6	2D 1H-15N HSQC	0.25 mM [U-99% 15N] ubiquitin, mM CD2AP SH3-A	90% H2O/10% D2O	0	6.0	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	Uniform NMR System	600
2	Varian	Uniform NMR System	800

NMR Refinement
Method	Details	Software
simulated annealing, molecular dynamics, docking, simulated annealing, molecular dynamics		HADDOCK

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	HADDOCK		Dominguez, Boelens
2	structure solution	CNS/SCULPTOR		Brunger, Adams, Clore, Gros, Nilges and Read
3	structure solution	NMRView		Johnson, One Moon Scientific
4	structure solution	HADDOCK		Brunger, Adams, Clore, Gros, Nilges and Read
5	refinement	CNS/SCULPTOR
6	refinement	HADDOCK		Brunger, Adams, Clore, Gros, Nilges and Read