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STRUCTURE OF THE SECOND EPS15 HOMOLOGY DOMAIN OF HUMAN EPS15 IN COMPLEX WITH PTGSSSTNPFL
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
90% H2O/10% D2O
0.15
7.00
AMBIENT
298.00
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
90% H2O/10% D2O
0.15
7.00
AMBIENT
298.00
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. Although the NMR data was collected on an 11-mer, PTGSSSTNPFL, NOEs were absent for the N-terminal 6 residues. The structures were therefore calculated with the peptide fragment STNPFL.
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 PTGSSSTNPFL AND CALCIUM