Predicted to enable IgG binding activity; aspartic-type endopeptidase activity; and identical protein binding activity. Predicted to be involved in several processes, including detection of chemical stimulus involved in sensory perception of bitter taste; negative regulation of T cell apoptotic process; and retina homeostasis. Predicted to be located in apical plasma membrane; extracellular region; and nucleus. Predicted to be active in extracellular space. Orthologous to human PIP (prolactin induced protein). [provided by Alliance of Genome Resources, Apr 2022]