👉 Pseudobarsine is a type of bilayer protein found in the plasma membrane of certain bacteria, particularly Staphylococcus aureus, and is often associated with the virulence of this bacterium. It is characterized by its unique structure, which consists of two layers: the outer layer of pseudobars and the inner layer of the bilayer. The pseudobars are composed of a series of small, spherical structures called pseudobarsin, while the bilayer is made