Predicted to enable ubiquitin-protein transferase activity. Predicted to be involved in protein K48-linked ubiquitination and ubiquitin-dependent protein catabolic process. Predicted to act upstream of or within negative regulation of cell morphogenesis involved in differentiation and negative regulation of neuron differentiation. Predicted to be located in cytosol; nuclear lumen; and vacuole. Orthologous to human TTC3 (tetratricopeptide repeat domain 3). [provided by Alliance of Genome Resources, Apr 2022]