<p> Rabenosyn-5 (Rbsn) is a multivalent effector with interacts with the Rab family.Rsbn contains distinct Rab4 and Rab5 binding sites within residues 264-500 and 627-784 respectively [<cite idref="PUB00038633"/>]. Rab proteins are GTPases involved in the regulation of all stages of membrane trafficking [<cite idref="PUB00038633"/>]. </p>