The function of Ensembl gene identifier ENSG00000104946 (TBC1D17, TBC1 domain family member 17) is as follows. Probable RAB GTPase-activating protein that inhibits RAB8A/B function. Reduces Rab8 recruitment to tubules emanating from the endocytic recycling compartment (ERC) and inhibits Rab8-mediated endocytic trafficking, such as that of transferrin receptor (TfR) (PubMed:22854040). Involved in regulation of autophagy. .