Fluorescein labeled Ub is made by reacting Ub(S20C) and fluorescein maleimide. All lysine residues are still available for formation of polyubiquitin chains. It can be used in ubiquitination reactions to generate fluorescein labeled ubiquitinated protein
Molecular Weight:
8.9 kDa
Buffer:
20 mM Tris, 150 mM NaCl, 2 mM BME, 10% Glycerol
Source:
E. coli recombinant
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