Recombinat Protein,Human Siglec-3 CD33 (18-132) Protein, Fc Tag,Human Siglec-3 (18-132), Fc Tag (CD3-H5255) is expressed from human 293 cells (HEK293). It contains AA Pro 18 - His 132 (Accession P20138-3).This protein carries a human IgG1 Fc tag at s 1 * 1 mg