Predicted to be located in Golgi apparatus; coated vesicle membrane; and nucleus. Predicted to be extrinsic component of organelle membrane. Predicted to be part of AP-4 adaptor complex. Predicted to be active in trans-Golgi network membrane. Orthologous to human TEPSIN (TEPSIN adaptor related protein complex 4 accessory protein). [provided by Alliance of Genome Resources, Apr 2022]