Interferon-inducible GTPase (IIGP) is thought to play a role in in intracellular defence. IIGP is predominantly associated with the Golgi apparatus and also localises to the endoplasmic reticulum and exerts a distinct role in IFN-induced intracellular membrane trafficking or processing [1].

1: The IFN-inducible Golgi- and endoplasmic reticulum- associated 47-kDa GTPase IIGP is transiently expressed during listeriosis. Zerrahn J, Schaible UE, Brinkmann V, Guhlich U, Kaufmann SH; J Immunol 2002;168:3428-3436. PMID:11907101