Enables polyubiquitin modification-dependent protein binding activity. Involved in protein targeting to peroxisome. Acts upstream of or within signal transduction. Predicted to be located in cytoplasm. Is expressed in several structures, including central nervous system; lower urinary tract; and retina. Orthologous to human ZFAND6 (zinc finger AN1-type containing 6). [provided by Alliance of Genome Resources, Apr 2022]