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Article

Protein import into Escherichia coli: colicins A and E1 interact with a component of their translocation system.

The EMBO journal - 1 Aug 1991

Benedetti H, Lazdunski C, Lloubès R

Abstract excerpt

Colicins are antibiotic proteins that kill sensitive Escherichia coli cells. Their mode of action involves three steps: binding to specific receptors located in the outer membrane, translocation across this membrane, and action on their targets. A specific colicin domain can be assigned to each of these steps. Colicins have been subdivided into two groups (A and B) depending on the proteins required for them to...

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Identifiers

PMID: 2065649
DOI: 10.1002/j.1460-2075.1991.tb07728.x
PMCID: PMC452878

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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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Protein import into Escherichia coli: colicins A and E1 interact with a component of their translocation system.PMID 2065649Read ↗

Distinct regions of the colicin A translocation domain are involved in the interaction with TolA and TolB proteins upon import into Escherichia coli.Semantic proximity Read ↗

Energetics of colicin import revealed by genetic cross-complementation between the Tol and Ton systems.Semantic proximity Read ↗

Novel colicin 10: assignment of four domains to TonB- and TolC-dependent uptake via the Tsx receptor and to pore formation.Semantic proximity Read ↗

Tol-dependent macromolecule import through the Escherichia coli cell envelope requires the presence of an exposed TolA binding motif.Semantic proximity Read ↗

Quantification of group A colicin import sites.Semantic proximity Read ↗

The TolA-recognition site of colicin N. ITC, SPR and stopped-flow fluorescence define a crucial 27-residue segment.Semantic proximity Read ↗

Import-defective colicin B derivatives mutated in the TonB box.Semantic proximity Read ↗

Attenuated colicin-based screening to discover and create novel resistance genes.Semantic proximity Read ↗

Identification of residues in the putative TolA box which are essential for the toxicity of the endonuclease toxin colicin E9.Semantic proximity Read ↗

Role of TolR N-terminal, central, and C-terminal domains in dimerization and interaction with TolA and tolQ.Semantic proximity Read ↗

Protein complex within Escherichia coli inner membrane. TolA N-terminal domain interacts with TolQ and TolR proteins.Semantic proximity Read ↗

TolA central domain interacts with Escherichia coli porins.Semantic proximity Read ↗

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