Protein required for proper cell fusion and cell morphology%3B forms a complex with Bud14p and Kel2p that regulates Bnr1p (formin) to affect actin cable assembly%2C cytokinesis%2C and polarized growth%3B functions in a complex with Kel2p to negatively regulate mitotic exit%2C interacts with Tem1p and Lte1p%3B localizes to regions of polarized growth%3B potential Cdc28p substrate