Claim: RAP1A belongs to the family of Ras-related proteins which is a group of amino acids, these proteins share approximately 50% amino acid identity and counteracts the mitogenic function of RAS.
Evidence: The product of this gene belongs to the family of Ras-related proteins. These proteins share approximately 50% amino acid identity with the classical RAS proteins and have numerous structural features in common. The product of this gene counteracts the mitogenic function of RAS because it can interact with RAS GAPs and RAF in a competitive manner.