Regulation of the Escherichia coli glyA gene by the metR gene product and homocysteine
- PMID: 2670901
- PMCID: PMC210303
- DOI: 10.1128/jb.171.9.4958-4962.1989
Regulation of the Escherichia coli glyA gene by the metR gene product and homocysteine
Abstract
The methionine component of glyA gene regulation in Escherichia coli K-12 was investigated. The results indicate that the glyA gene is positively controlled by the metR gene product. Activation of glyA by the MetR protein requires homocysteine, an intermediate in methionine biosynthesis. The positive-acting metR regulatory system functions independently of a regulatory system shown previously to control glyA gene expression.
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