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Article

Functional Diversity of TonB-Like Proteins in the Heterocyst-Forming Cyanobacterium Anabaena sp. PCC 7120.

mSphere - 22 Dec 2021

Schätzle Hannah, Arévalo Sergio, Fresenborg Leonard, Seitz Hans-Michael, Flores Enrique, Schleiff Enrico

Abstract excerpt

The TonB-dependent transport of scarcely available substrates across the outer membrane is a conserved feature in Gram-negative bacteria. The plasma membrane-embedded TonB-ExbB-ExbD accomplishes complex functions as an energy transducer by physically interacting with TonB-dependent outer membrane transporters (TBDTs). TonB mediates structural rearrangements in the substrate-loaded TBDTs that are required for...

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Identifiers

PMID: 34787445
DOI: 10.1128/mSphere.00214-21
PMCID: PMC8597729

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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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