Predicted to enable chemorepellent activity and semaphorin receptor binding activity. Predicted to be involved in several processes, including T-helper 1 cell differentiation; regulation of cell migration; and regulation of nervous system development. Predicted to be active in extracellular space. Predicted to be integral component of plasma membrane. Human ortholog(s) of this gene implicated in cone-rod dystrophy 10 and retinitis pigmentosa 35. Orthologous to human SEMA4A (semaphorin 4A). [provided by Alliance of Genome Resources, Apr 2022]