Predicted to enable mRNA 3'-UTR AU-rich region binding activity. Predicted to be located in nucleus and perinuclear region of cytoplasm. Orthologous to human MEX3D (mex-3 RNA binding family member D); INTERACTS WITH 2,3,7,8-tetrachlorodibenzodioxine; 6-propyl-2-thiouracil; acrylamide.