exocyst subunit exo70 family protein A1;(source:Araport11)
TAIR Curator Summary:
AtEXO70A1 is a member of EXO70 gene family, putative exocyst subunits, conserved in land plants. It plays a central role in Casparian strip formation, generating a transient positional information that will be translated into a precisely localized cell wall modification.