該基因編碼的蛋白是一種膜相關gtp酶，定位于質膜，與adp核糖基化因子（arf）和arf樣蛋白（arl）有關。這個基因在跨高爾基體網絡和內切體之間的膜運輸中起作用。另外，還發現了編碼不同亞型的剪接轉錄變體。[由RefSeq提供，2012年5月]
The protein encoded by this gene is a membrane-associated GTP-ase which localizes to the plasma membrane and is related to the ADP-ribosylation factor (ARF) and ARF-like (ARL) proteins. This gene plays a role in membrane trafficking between the trans-Golgi network and endosomes. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, May 2012]