Lectin receptor kinase LecRK-b2 localizes to plasma membrane and functions as a homdimer
Keywords:
Lectin receptor kinases, subcellular localization, homodimer
Abstract
An Arabidopsis putative lectin receptor-like serine/threonine kinase gene, LecRK-b2, has been characterized. Confocal microscopy images showed that the LecRK-b2-GFP fusion protein is localized to plasma membrane. The results of yeast 2 hybrid showed that lectin domain of LecRK-b2 had selfinteraction, while the kinase domain did not work. Split luciferase complementation assays confirmed the yeast two hybrid results and suggested that lectin domain was responsible for the dimerization ofLecRK-b2 protein in plant. Furthermore, the recombinant LecRK-b2 protein exhibited autophosphorylation activity.
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