Predicted to enable clathrin adaptor activity. Predicted to be involved in clathrin-dependent endocytosis and protein transport. Predicted to be part of AP-2 adaptor complex. Is an ortholog of C. elegans aps-2. In C. elegans, aps-2 is involved in several processes, including body morphogenesis; clathrin-dependent endocytosis; and nematode larval development.