Predicted to enable several functions, including X11-like protein binding activity; amyloid-beta binding activity; and kinesin binding activity. Predicted to be involved in homophilic cell adhesion via plasma membrane adhesion molecules. Predicted to be located in membrane. Is an ortholog of C. elegans
casy-1. In C. elegans,
casy-1 is involved in several processes, including GABAergic synaptic transmission; olfactory learning; and positive regulation of synaptic vesicle transport.