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STRUCTURE OF A CONJUGATING ENZYME-UBIQUITIN THIOLESTER COMPLEX
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
enhanced 1H-15N HSQC
Yeast Ubc1
0.8 mM Ubc1 10uM E1 0.8 mM Ub
10mM ATP, 5 mM MgCl, 40 mM Hepes,
450 mM NaCl,, 1 mM EDTA in water
450mM NaCl
7.5
ambient
30
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Varian
UNITY
500
NMR Refinement
Method
Details
Software
Dynamic docking between Ubc1 and Ub
System covalently bound and minimized
NMRDraw
NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
1
Conformers Submitted Total Number
1
Representative Model
1 (lowest energy)
Additional NMR Experimental Information
Details
Spectra of thiolester formation were
acquired every 10 minutes during
the first 60 minutes of reaction
time until a stable level of covalent
complex was formed