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Expression of functional Thermoplasma acidophilum proteasomes in Escherichia coli
P Zwickl1, F Lottspeich, W Baumeister
1Max-Planck-Institut für Biochemie, Martinsried, Germany.
FEBS Letters
|November 9, 1992
Abstract:
The two genes encoding the constituent subunits of the Thermoplasma acidophilum proteasome were expressed in Escherichia coli yielding fully assembled molecules as shown by electron microscopy. The recombinant proteasomes were purified to homogeneity and were shown to have proteolytic activity indistinguishable from proteasomes isolated from T. acidophilum.