CNTN3 (Contactin 3) is a Protein Coding gene. Diseases associated with CNTN3 include Plasmacytoma and Taylor's Syndrome. Among its related pathways are Metabolism of proteins and Post-translational modification- synthesis of GPI-anchored proteins. An important paralog of CNTN3 is CNTN4. Contactins mediate cell surface interactions during nervous system development. Has some neurite outgrowth-promoting activity.