Purity > 90% as determined by SDS-PAGE. MW: 11kDa. Full Length of Mature Protein: 21-101aa. N-terminal 6xHis-tagged. Rattus norvegicus (Rat). Component of triglyceride-rich very low density lipoproteins (VLDL) and high density lipoproteins (HDL) in plasma. Plays a multifaceted role in triglyceride homeostasis. Intracellularly, promotes hepatic very low density lipoprotein 1 (VLDL1) assbly and secretion; Extracellular domainly, attenuates hydrolysis and clearance of triglyceride-rich lipoproteins (TRLs). Impairs the lipolysis of TRLs by inhibiting lipoprotein lipase and the hepatic uptake of TRLs by rnant receptors.