Enables nucleic acid binding activity and single-stranded DNA endodeoxyribonuclease activity. Involved in several processes, including mRNA metabolic process; positive regulation of cellular component organization; and positive regulation of gene expression. Located in cytoplasm; neuron projection terminus; and nucleus. Orthologous to human PTBP1 (polypyrimidine tract binding protein 1). [provided by Alliance of Genome Resources, Apr 2022]