Predicted to be involved in negative regulation of lipid catabolic process. Predicted to act upstream of or within cellular response to cold and lipid catabolic process. Located in lipid droplet. Human ortholog(s) of this gene implicated in familial partial lipodystrophy type 4 and obesity. Orthologous to human PLIN1 (perilipin 1). [provided by Alliance of Genome Resources, Apr 2022]