These are glycophosolipids that contain these sugar components. These are cholesterol molecules, and this is some type of transmembrane integral protein. Now, when cholesterol fits into the structure of the membrane, it actually interferes with the structure of these fatty acids because of the difference in shape. So cholesterol interferes with the regular interactions of the fatty acids. However, because the cholesterol molecule, by being present inside that membrane, because it basically stimulates formation of complexes between the cholesterol molecules and these glycophosolipid molecules, like the one shown here, they basically are responsible for forming these very important structures we call lipid rafts. So what exactly is a lipid raft?