該基因編碼的蛋白是一個小的GTPase，參與多種過程，包括血管生成、血管內穩態和再生、細胞粘附和神經軸突引導這種基因的突變在許多侵襲性癌癥中都有發現。
The protein encoded by this gene is a small GTPase involved in diverse processes including angiogenesis, vascular homeostasis and regeneration, cell adhesion, and neuronal axon guidance. Mutations in this gene are found in many invasive cancers.