Predicted to enable extracellular ligand-gated monoatomic ion channel activity and transmembrane signaling receptor activity. Predicted to be involved in monoatomic ion transmembrane transport. Predicted to be located in membrane. Is an ortholog of C. elegans cup-4
. In C. elegans, cup-4
is involved in several processes, including determination of adult lifespan; positive regulation of oviposition; and response to caloric restriction.