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Article

The outer membrane usher forms a twin-pore secretion complex.

Journal of molecular biology - 10 Dec 2004

Li Huilin, Qian Luping, Chen Zhiqiang, Thibault Danielle, Liu Guang, Liu Tianbo, Thanassi David G

Abstract excerpt

The PapC usher is an outer membrane protein required for assembly and secretion of P pili in uropathogenic Escherichia coli. P pilus biogenesis occurs by the chaperone/usher pathway, a terminal branch of the general secretory pathway. Periplasmic chaperone-subunit complexes target to the PapC usher for fiber assembly and secretion through the usher to the cell surface. The molecular details of pilus biogenesis at...

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PMID: 15561151
DOI: 10.1016/j.jmb.2004.10.008

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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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The outer membrane usher forms a twin-pore secretion complex.PMID 15561151Read ↗

The usher N terminus is the initial targeting site for chaperone-subunit complexes and participates in subsequent pilus biogenesis events.Semantic proximity Read ↗

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