该基因编码的蛋白是一个小的GTPase，参与多种过程，包括血管生成、血管内稳态和再生、细胞粘附和神经轴突引导这种基因的突变在许多侵袭性癌症中都有发现[由RefSeq提供，2015年7月]
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. [provided by RefSeq, Jul 2015]