Product Properties Synonyms ABH Source Human ABO Protein is expressed from HEK293 with hFc tag at the N-terminus. It contains Ala54-Pro354.[Accession | ADX99264.1] Molecular Weight The protein has a predicted MW of 60.56 kDa. Due to glycosylation, the protein migrates to 62-70 kDa based on SDS-PAGE result. Endotoxin Less than 1EU per μg by the LAL method. Purity > 95% as determined by SDS-PAGE Formulation Supplied as 0.22μm filtered solution in 20mM Tris, 150mM NaCl, 500mM L- Arginine, 2mM DTT (pH 7.0). Storage The product should be stored at -85~-65℃ for 1 year from date of receipt. Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles. Note 1.Please operate with lab coats and disposable gloves,for your safety. 2.This product is for research use only.