Source Recombinant Human CD31/PECAM-1 Protein is expressed from HEK293 with hFc tag at the C-terminal. It contains Gln28-Lys601.[Accession | P16284-1] Molecular Weight The protein has a predicted MW of 91.2 kDa. Due to glycosylation, the protein migrates to 100-115 kDa based on Tris-Bis PAGE result. Endotoxin Less than 1EU per μg by the LAL method. Purity > 95% as determined by Tris-Bis PAGE Formulation Supplied as 0.22μm filtered solution in 50mM Tris, 150mM NaCl (pH 7.5).   Storage The product should be stored at -85~-65℃ for 1 year from date of receipt. Recommend to... ...Read More