Vps51s
Vps51s refers to a group of proteins that are conserved across eukaryotes and play a crucial role in intracellular membrane trafficking, particularly in the biogenesis and function of the Golgi apparatus. These proteins are components of the yeast Golgi-associated retrograde protein complex (GARP), also known as the Vps fifty-one complex. In yeast, this complex is essential for retrograde transport from the late Golgi back to the endoplasmic reticulum. The mammalian orthologs of Vps51s are also involved in similar Golgi-related processes, contributing to the proper sorting and delivery of proteins and lipids. Mutations or deficiencies in Vps51s can lead to severe defects in Golgi structure and function, impacting various cellular processes. Research has identified Vps51s as interacting partners with other proteins involved in vesicle formation and tethering, highlighting their integration into larger cellular machinery. The precise mechanisms by which Vps51s mediate their function are still under investigation, but their conserved nature suggests a fundamental role in maintaining cellular organization and trafficking homeostasis across diverse organisms.