Connecting primary and secondary metabolism: AreB, an IclR-like protein, binds the ARE(ccaR) sequence of S. clavuligerus and modulates leucine biosynthesis and cephamycin C and clavulanic acid production.

Abstract excerpt

A protein binding to the autoregulatory element (ARE) upstream of the regulatory ccaR gene of Streptomyces clavuligerus was isolated previously by DNA affinity binding. The areB gene, encoding this protein, is located upstream and in opposite orientation to the leuCD operon of S. clavuligerus; it...

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