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 plasma membrane. Predicted to be integral component of membrane. Predicted to be active in cell surface. Orthologous to human RTP1 (receptor transporter protein 1). [provided by Alliance of Genome Resources, Apr 2022]