Vacuolar sorting protein 9 (VPS9) domain-containing protein;(source:Araport11)
TAIR Curator Summary:
Guanine nucleotide exchange factor VPS9a. Can activate all Rab5 members to GTP-bound forms in vitro. Required for embryogenesis. Regulates the localization of ARA7 and ARA6. Involved in postembryonic root development.