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ClpB proteins copurify with the anaerobic Escherichia coli reductase
E Pontis1, X Y Sun, H Jörnvall
1Department of Biochemistry I, Karolinska Institute, Stockholm, Sweden.
Biochemical and Biophysical Research Communications
|November 14, 1991
Abstract:
Two proteins, called alpha and beta 3, copurify with the anaerobic ribonucleotide reductase from Escherichia coli (Eliasson et al. (1990) Proc. Natl. Acad. Sci. U.S.A. 87, 3314-3318). Both are now identified as products of the clpB gene that is presumed to code for a subunit of an ATP dependent protease. The tight associations suggest the possibility that the ClpB proteins are involved in the regulation of the anaerobic reductase.