Is predicted to encode a protein with the following domains: PTB domain (IRS-1 type); Tudor domain; Staphylococcal nuclease homologue; SNase-like, OB-fold superfamily; IRS-type PTB domain; and Staphylococcal nuclease (SNase-like), OB-fold. Is an ortholog of C. elegans
tsn-1. In C. elegans,
tsn-1 is involved in miRNA-mediated post-transcriptional gene silencing.