DENN domain-containing protein 5A (Dennd5a)

Guanine nucleotide exchange factor (GEF) which may activate RAB6A and RAB39A and/or RAB39B. Promotes the exchange of GDP to GTP, converting inactive GDP-bound Rab proteins into their busy GTP-bound form (By similarity).

Involved in the negative regulation of neurite outgrowth (By similarity). .