Predicted to enable olfactory receptor binding activity. Predicted to be involved in detection of chemical stimulus involved in sensory perception of bitter taste; protein insertion into membrane; and protein targeting to membrane. Predicted to be located in membrane. Predicted to be integral component of membrane. Predicted to be active in cytoplasm. Orthologous to human RTP3 (receptor transporter protein 3). [provided by Alliance of Genome Resources, Apr 2022]