May regulate endocytosis by recruiting RSP5 ubiquitin ligase activity to specific plasma membrane proteins in response to extracellular stimuli. Interacts with PCL6, PCL7 and RSP5. Ubiquitinated by RSP5. Phosphorylated by the cyclin-CDKs PCL6-PHO85 and PCL7-PHO85. Present with 49 molecules/cell in log phase SD medium. Belongs to the ALY1 family.