This family includes the PRA1 (Prenylated rab acceptor) protein which is a Rab guanine dissociation inhibitor (GDI) displacement factor [2]. This family also includes the glutamate transporter EAAC1 interacting protein GTRAP3-18 [3].

1: Interaction cloning and characterization of the cDNA encoding the human prenylated rab acceptor (PRA1). Bucci C, Chiariello M, Lattero D, Maiorano M, Bruni CB; Biochem Biophys Res Commun 1999;258:657-662. PMID:10329441

2: Purification and properties of Yip3/PRA1 as a Rab GDI displacement factor. Sivars U, Aivazian D, Pfeffer S; Methods Enzymol. 2005;403:348-356. PMID:16473601

3: Modulation of the neuronal glutamate transporter EAAC1 by the interacting protein GTRAP3-18. Lin CI, Orlov I, Ruggiero AM, Dykes-Hoberg M, Lee A, Jackson M, Rothstein JD; Nature 2001;410:84-88. PMID:11242046