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Article

The roles of the polytopic membrane proteins NarK, NarU and NirC in Escherichia coli K-12: two nitrate and three nitrite transporters.

Molecular microbiology - 1 Apr 2002

Clegg Stephanie, Yu Feng, Griffiths Lesley, Cole Jeffrey A

Abstract excerpt

Two polytopic membrane proteins, NarK and NarU, are assumed to transport nitrite out of the Escherichia coli cytoplasm, but how nitrate enters enteric bacteria is unknown. We report the construction and use of four isogenic strains that lack nitrate reductase Z and the periplasmic nitrate reductase, but express all combinations of narK and narU. The active site of the only functional nitrate reductase, nitrate...

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Identifiers

PMID: 11967075
DOI: 10.1046/j.1365-2958.2002.02858.x

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

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The roles of the polytopic membrane proteins NarK, NarU and NirC in Escherichia coli K-12: two nitrate and three nitrite transporters.PMID 11967075Read ↗

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