Provided below are ELISA kits targeting family with sequence similarity 53 member B, a human protein encoded by FAM53B. This protein is 422 amino acids long, with a mass of 45.8 kDa, and is a member of the FAM53 family. 2 isoforms have been identified. This is reported to be a nuclear protein. Other alias names for this protein include: protein FAM53B, protein simplet, simplet homolog, KIAA0140, and protein simplet.