Provided below are ELISA kits targeting sialic acid binding Ig like lectin 9, a human protein encoded by SIGLEC9. This protein is 463 amino acids long, with a mass of 50.1 kDa, and is a member of the Immunoglobulin superfamily, SIGLEC (sialic acid binding Ig-like lectin) family. 2 isoforms have been identified. This is reported to be a membrane protein. Glycosylation sites have been reported. Other alias names for this protein include: protein FOAP-9, CD329, CDw329, FOAP-9, and CD329.