Predicted to enable cysteine-type endopeptidase activity involved in apoptotic process; identical protein binding activity; and protein domain specific binding activity. Involved in several processes, including aging; animal organ development; and positive regulation of neuron apoptotic process. Located in membrane and mitochondrion. Biomarker of status epilepticus. Orthologous to human CASP2 (caspase 2). [provided by Alliance of Genome Resources, Apr 2022]