Isolation and characterization of Rac1 pseudogenes (psi1Rac1-psi4Rac1) in the human genome..     ///    "In addition, three other intronless pseudogenes of Rac1 on chromosomes 4, 13 and X were identified (psi1Rac1-psi4Rac1) sharing an 86-96% sequence similarity with Rac1. "