Enables ephrin receptor binding activity. Involved in ephrin receptor signaling pathway. Predicted to be located in membrane. Predicted to be anchored component of membrane. Predicted to be active in plasma membrane. Is expressed in several structures, including alimentary system; central nervous system; early conceptus; genitourinary system; and sensory organ. Orthologous to human EFNA3 (ephrin A3). [provided by Alliance of Genome Resources, Apr 2022]