The function of ENSG00000105355 (PLIN3, perilipin 3) is as follows. Structural component of lipid droplets, which is required for the formation and maintenance of lipid storage droplets (PubMed:34077757). Required for the transport of mannose 6-phosphate receptors (MPR) from endosomes to the trans-Golgi network (PubMed:9590177). {ECO:0000269|PubMed:34077757, ECO:0000269|PubMed:9590177}.