Is predicted to encode a protein with the following domains: PLAT/LH2 domain; PLAT/LH2 domain superfamily; Sugar phosphate transporter domain; Triose-phosphate Transporter family; RUN domain superfamily; DENN (AEX-3) domain; uDENN domain; dDENN domain; RUN domain; and cDENN domain. Is an ortholog of C. elegans pkd-2. In C. elegans, pkd-2 is involved in calcium ion transport; response to hermaphrodite contact; and vulval location.