Biotinylated Human ACE2 / ACEH Protein, Fc,Avitag™ Biotinylated Human ACE2, Fc,Avitag (AC2-H82F9) is expressed from human 293 cells (HEK293). It contains AA Gln 18 - Ser 740 (Accession Q9BYF1-1). This protein carries a human IgG1 Fc tag at the C-te e 1 * 200 µG