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Article

Roles of the GcvA and PurR proteins in negative regulation of the Escherichia coli glycine cleavage enzyme system.

Journal of bacteriology - 1 Aug 1993

Wilson R L, Stauffer L T, Stauffer G V

Abstract excerpt

When Escherichia coli was grown in medium containing both inosine and glycine, the PurR repressor protein was shown to be responsible for a twofold reduction from the fully induced glycine cleavage enzyme levels. This twofold repression was also seen by measuring beta-galactosidase levels in cells carrying a lambda gcvT-lacZ gene fusion. In this fusion, the synthesis of beta-galactosidase is under the control of...

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Identifiers

PMID: 8349552
DOI: 10.1128/jb.175.16.5129-5134.1993
PMCID: PMC204979

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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Roles of the GcvA and PurR proteins in negative regulation of the Escherichia coli glycine cleavage enzyme system.PMID 8349552Read ↗

Characterization of the Escherichia coli gcvR gene encoding a negative regulator of gcv expression.Semantic proximity Read ↗

GcvR interacts with GcvA to inhibit activation of the Escherichia coli glycine cleavage operon.Semantic proximity Read ↗

DNA binding sites of the LysR-type regulator GcvA in the gcv and gcvA control regions of Escherichia coli.Semantic proximity Read ↗

Regulation of the Escherichia coli glyA gene by the purR gene product.Semantic proximity Read ↗

Characterization of the Escherichia coli gcv operon.Semantic proximity Read ↗

The gcvB gene encodes a small untranslated RNA involved in expression of the dipeptide and oligopeptide transport systems in Escherichia coli.Semantic proximity Read ↗

The Escherichia coli glycine transport system and its role in the regulation of the glycine cleavage enzyme system.Semantic proximity Read ↗

The Escherichia coli gcvT gene encoding the T-protein of the glycine cleavage enzyme system.Semantic proximity Read ↗

Autoregulation of PurR repressor synthesis and involvement of purR in the regulation of purB, purC, purL, purMN and guaBA expression in Escherichia coli.Semantic proximity Read ↗

Escherichia coli cis- and trans-acting mutations that increase glyA gene expression.Semantic proximity Read ↗

Identification of hypoxanthine and guanine as the co-repressors for the purine regulon genes of Escherichia coli.Semantic proximity Read ↗

Genes of the Escherichia coli pur regulon are negatively controlled by a repressor-operator interaction.Semantic proximity Read ↗

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