ARAP2 (ArfGAP With RhoGAP Domain, Ankyrin Repeat, and PH Domain 2): ARAP2 is a protein that plays a crucial role in cell signaling by functioning as a GTPase-activating protein for members of the Arf and Rho families. It is essential for regulating cell migration and cytoskeletal organization, with potential implications in cancer metastasis and cellular morphology.