Plant molecular biologyArabidopsisArabidopsis ProteinsAntiportersCation Transport ProteinsCalcium
A modular fragment of Arabidopsis cation exchanger 1 (CAX1) reveals structural constraints on assembly.
Shayan Sarkar, Jon K Pittman, Kendal D Hirschi
Published: 202510.1007/s11103-025-01668-5
Abstract
Cation/H⁺ exchangers (CAXs) mediate vacuolar Ca2+ sequestration and are critical for maintaining cytosolic Ca2+ homeostasis in plants. Arabidopsis CAX1, a member of the Ca2+/Cation Antiporter (CaCA) superfamily, features a modular architecture compri…
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