Enables benzodiazepine receptor binding activity and fatty-acyl-CoA binding activity. Involved in several processes, including nervous system development; positive regulation of release of sequestered calcium ion into cytosol; and regulation of lipid metabolic process. Acts upstream of or within regulation of GABAergic synaptic transmission. Located in several cellular components, including contractile fiber; extracellular space; and synaptic vesicle. Orthologous to human DBI (diazepam binding inhibitor, acyl-CoA binding protein). [provided by Alliance of Genome Resources, Apr 2022]