Lectin activity of the nucleocytoplasmic EUL protein from Arabidopsis thaliana

► Arabidopsis expresses a conserved S3 type protein with an EUL domain, called ArathEULS3. ► The C-terminal domain of ArathEULS3 shows 45% sequence identity to the Euonymus lectin. ► ArathEULS3 was recombinantly expressed in Pichia pastoris and purified. ► Glycan array analyses have proven carbohydrate-binding activity of ArathEULS3.