Predicted to enable opioid receptor binding activity. Involved in chemical synaptic transmission; female pregnancy; and neuropeptide signaling pathway. Predicted to be located in extracellular region. Predicted to be active in several cellular components, including axon terminus; dendrite; and neuronal cell body. Orthologous to human PNOC (prepronociceptin). [provided by Alliance of Genome Resources, Apr 2022]