Listed are ELISA Kits for the detection of Jacob, an alias name of NMDA receptor synaptonuclear signaling and neuronal migration factor. The human protein, encoded by the gene NSMF, is 530 amino acid residues long and has a mass of 60,143 daltons. However, there are up to 6 reported isoforms. It is a member of the NSMF family. This protein is reported to have a cytoplasmic, nuclear and membrane cellular localization. The gene is associated with Hypogonadotropic hypogonadism 9 with or without anosmia. This target may also be known as: nasal embryonic LHRH factor, nasal embryonic luteinizing hormone-releasing hormone factor, HH9, and NELF.