Is predicted to encode a protein with the following domains: CRAL-TRIO lipid binding domain; MSP (Major sperm protein) domain; Immunoglobulin-like fold; CRAL/TRIO domain; PapD-like superfamily; CRAL-TRIO lipid binding domain superfamily; Major sperm protein (MSP) domain; and CRAL/TRIO, N-terminal domain superfamily. Is an ortholog of C. elegans hpo-28.