Genetic analysis of the LexA repressor: isolation and characterization of LexA(Def) mutant proteins.

doi:10.1007/BF00315795

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Article

Genetic analysis of the LexA repressor: isolation and characterization of LexA(Def) mutant proteins.

Molecular & general genetics : MGG - 1 Aug 1990

Oertel-Buchheit P, Lamerichs R M, Schnarr M, Granger-Schnarr M

Abstract excerpt

We report the isolation of LexA mutant proteins with impaired repressor function. These mutant proteins were obtained by transforming a LexA-deficient recA-lacZ indicator strain with a randomly mutagenized plasmid harbouring the lexA gene and subsequent selection on MacConkey-lactose indicator pl...

Topics

Amino Acid Sequence
Bacterial Proteins
Base Sequence
Codon
Immunoblotting
Magnetic Resonance Spectroscopy
Molecular Sequence Data
Mutation
Promoter Regions, Genetic
Repressor Proteins
Serine Endopeptidases
Transformation, Genetic

Source

Open in PubMed

Identifiers

PMID: 2259342
DOI: 10.1007/BF00315795

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026. Prepared record publication-2259342-2026-08-30.1. Manifest publication-graph-cohort-2026-08-30.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 30 Aug 2026.

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