EXS (ERD1/XPR1/SYG1) family protein;(source:Araport11)
TAIR Curator Summary:
Encodes PHO1;H1, a member of the PHO1 family. Involved in inorganic phosphate (Pi) transport and homeostasis. Complements pho1 mutation. Its expression is responsive to both phosphate (Pi) and phosphite (Phi) in shoots.