Provided below are ELISA kits targeting Fc receptor like 4, a human protein encoded by FCRL4. This protein is 515 amino acids long with a reported mass of 57.2 kDa. 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: IFGP family protein 2, fc receptor homolog 4, fcR-like protein 4, immune receptor translocation-associated protein 1, and immunoglobulin superfamily Fc receptor gp42.