Lipoprotein Lipase like polypeptides, nucleic acids encoding said polypeptides, antisense sequences, and antibodies to said polypeptides are disclosed. Also disclosed are methods for the preparation of said polypeptides in a recombinant system and for the use of said polypeptides to screen for agonists and or antagonists of said polypeptides. Also disclosed are methods and compositions for the treatment of disorders of lipid metabolism.