Apolipoprotein E/APOE is essential for lipid transport and is integral to the production, transformation and clearance of plasma lipoproteins.It interacts with various particles to favor HDL and binds to receptors such as LDLR and VLDLR to promote cellular uptake.Apolipoprotein E/APOE Protein, Rat (His) is the recombinant rat-derived Apolipoprotein E/APOE protein, expressed by E.coli , with N-6*His labeled tag.