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Article

Identification of a crucial histidine involved in metal transport activity in the Arabidopsis cation/H+ exchanger CAX1.

The Journal of biological chemistry - 26 Aug 2005

Shigaki Toshiro, Barkla Bronwyn J, Miranda-Vergara Maria Cristina, Zhao Jian, Pantoja Omar, Hirschi Kendal D

Abstract excerpt

In plants, yeast, and bacteria, cation/H+ exchangers (CAXs) have been shown to translocate Ca2+ and other metal ions utilizing the H+ gradient. The best characterized of these related transporters is the plant vacuolar localized CAX1. We have used site-directed mutagenesis to assess the impact of altering the seven histidine residues to alanine within Arabidopsis CAX1. The mutants were expressed in a...

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PMID: 15994298
DOI: 10.1074/jbc.M503610200

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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