Predicted to enable mRNA 3'-UTR binding activity; ribonucleoprotein complex binding activity; and selenocysteine insertion sequence binding activity. Predicted to be involved in selenocysteine incorporation. Predicted to be part of ribonucleoprotein complex. Orthologous to human SECISBP2L (SECIS binding protein 2 like). [provided by Alliance of Genome Resources, Apr 2022]