Is predicted to encode a protein with the following domains: RUN domain; Rab-binding domain (RBD); Small G protein signalling modulator 1/2, Rab-binding domain; Rab-GTPase-TBC domain superfamily; RUN domain superfamily; and Rab-GTPase-TBC domain. Is an ortholog of C. elegans
tbc-8. In C. elegans,
tbc-8 is involved in dense core granule maturation.