Predicted to enable retinol binding activity. Predicted to be involved in proteolysis. Predicted to be located in extracellular space and interphotoreceptor matrix. Predicted to be active in cone matrix sheath. Is expressed in eye; retina; retina nuclear layer; and retina outer nuclear layer. Human ortholog(s) of this gene implicated in retinitis pigmentosa 66. Orthologous to human RBP3 (retinol binding protein 3). [provided by Alliance of Genome Resources, Apr 2022]