1F8H

STRUCTURE OF THE SECOND EPS15 HOMOLOGY DOMAIN OF HUMAN EPS15 IN COMPLEX WITH PTGSSSTNPFR

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1 mM {15N}-EH2 and 5 mM peptide, 20 mM perdeuterated Tris, 100 mM potassium chloride, 1 mM perdeuterated DTT, 1 mM sodium azide 2 mM calcium chloride	10%/90% D2O/H2O	0.15	7.0	ambient	298
2	3D_15N-separated_NOESY	1 mM {15N}-EH2 and 5 mM peptide, 20 mM perdeuterated Tris, 100 mM potassium chloride, 1 mM perdeuterated DTT, 1 mM sodium azide 2 mM calcium chloride	10%/90% D2O/H2O	0.15	7.0	ambient	298
3	2D NOESY	1 mM {15N}-EH2 and 5 mM peptide, 20 mM perdeuterated Tris, 100 mM potassium chloride, 1 mM perdeuterated DTT, 1 mM sodium azide 2 mM calcium chloride	99.999% D2O	0.15	7.0	ambient	298
4	2D NOESY	0.2 mM {15N}-EH2 and 5 mM peptide, 20 mM perdeuterated Tris, 100 mM potassium chloride, 1 mM perdeuterated DTT, 1 mM sodium azide 2 mM calcium chloride	10%/90% D2O/H2O	0.15	7.0	ambient	298
5	2D NOESY	0.2 mM {15N}-EH2 and 5 mM peptide, 20 mM perdeuterated Tris, 100 mM potassium chloride, 1 mM perdeuterated DTT, 1 mM sodium azide 2 mM calcium chloride	10%/90% D2O/H2O	0.15	7.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	500
2	Varian	INOVA	600

NMR Refinement
Method	Details	Software
simulated annealing	THE R-6 SUMMATION METHOD WAS USED WITHIN A SIMULATED ANNEALING PROTOCOL.	VNMR

NMR Ensemble Information
Conformer Selection Criteria	20 LOWEST NOE ENERGIES
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	Data was collected on a 15N-labelled EH2 sample in the presence of synthetic unlabelled peptide and calcium

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.1	Varian
2	data analysis	NMRPipe	1	Delaglio
3	structure solution	X-PLOR	3.85	Brunger
4	refinement	X-PLOR	3.85	Brunger