Predicted to be involved in inhibitory synapse assembly and maintenance of synapse structure. Predicted to act upstream of or within protein secretion. Predicted to be located in GABA-ergic synapse and extracellular region. Predicted to be active in extracellular space and synapse. Orthologous to human CBLN4 (cerebellin 4 precursor). [provided by Alliance of Genome Resources, Apr 2022]