Predicted to enable identical protein binding activity; signaling receptor binding activity; and transmembrane signaling receptor activity. Predicted to be involved in several processes, including negative regulation of osteoblast differentiation; regulation of neuron projection development; and regulation of phosphate metabolic process. Predicted to act upstream of or within positive regulation of axonogenesis. Predicted to be active in extracellular space. Predicted to be integral component of plasma membrane. Orthologous to human SEMA4D (semaphorin 4D). [provided by Alliance of Genome Resources, Apr 2022]