Predicted to enable GTPase activating protein binding activity and semaphorin receptor activity. Predicted to be involved in several processes, including negative regulation of osteoblast proliferation; nervous system development; and semaphorin-plexin signaling pathway. Predicted to be part of semaphorin receptor complex. Predicted to be integral component of plasma membrane. Orthologous to human PLXNB1 (plexin B1). [provided by Alliance of Genome Resources, Apr 2022]