Enables scaffold protein binding activity. Involved in several processes, including myoblast fusion; positive regulation of circadian sleep/wake cycle, non-REM sleep; and positive regulation of interleukin-1 beta production. Located in cytoplasm; neuron projection; and nucleus. Part of protein-containing complex. Used to study acute kidney failure and visual epilepsy. Orthologous to human CASP1 (caspase 1). [provided by Alliance of Genome Resources, Apr 2022]