Predicted to enable ubiquitin-protein transferase activity. Predicted to be involved in protein import into peroxisome matrix and protein monoubiquitination. Predicted to be located in membrane and peroxisome. Predicted to be part of peroxisomal importomer complex. Predicted to be active in peroxisomal membrane. Human ortholog(s) of this gene implicated in peroxisome biogenesis disorder 3A and peroxisome biogenesis disorder 3B. Orthologous to human PEX12 (peroxisomal biogenesis factor 12).