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