Predicted to enable microtubule plus end polymerase and microtubule plus-end binding activity. Predicted to be involved in establishment or maintenance of microtubule cytoskeleton polarity; microtubule polymerization; and spindle organization. Is an ortholog of C. elegans
zyg-9. In C. elegans,
zyg-9 is involved in embryo development; meiotic spindle organization; and spindle elongation.