Predicted to enable guanyl-nucleotide exchange factor activity and sulfate adenylyltransferase (ATP) activity. Predicted to be involved in small GTPase-mediated signal transduction. Is an ortholog of C. elegans
pxf-1. In C. elegans,
pxf-1 is involved in collagen and cuticulin-based cuticle development; epidermis development; and molting cycle.