Temperature and induction effects on the degradation rate of an abnormal beta-galactosidase in Escherichia coli.

Abstract excerpt

Intracellular protein degradation was investigated using an unstable fragment of Escherichia coli beta-galactosidase, the CSH11 mutant, as a model protein. This abnormal protein was expressed from a single copy gene in the chromosome and is converted to a detectable degradable intermediate. The in vivo degradation rates of both beta-galactosidase fragments were measured using pulse-chase radioactive labeling...

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