SEC15A is a suBunit of the Putative AraBidopsis Exocyst Complex which plays important roles in plant cell morphogenesis. The exocyst complex consists of eight suBunits: Sec3a/B (At1g47550, At1g47560) , Sec5a/B (At1g76850, At1g21170) , Sec6 (At1g71820) , Sec8 (At3g10380) , Sec10 (At5g12370) , Sec15a/B (At3g56640, At4g02350) , Exo70 (At5g03540) , and Exo84a/B/c (At1g10385, At5g49830, At1g10180) .