Listed are ELISA Kits for the detection of Orphanin FQ, an alias name of Prepronociceptin. The human protein, encoded by the gene PNOC, is 176 amino acid residues long and has a mass of 20295 daltons. However, there are up to 2 reported isoforms. It is a member of the Opioid neuropeptide precursor family. This protein is reported to have a secreted cellular localization. Homologs have been identified in the following species: Mouse, Rat, Zebrafish, Frog, Chicken. Orphanin FQ may also be known by other names: PPNOC; N/OFQ; NOP; nocistatin; orphanin FQ.