Immunogen sequence: LYSGTASDFL GKDTAFTRSL GPTHDHHYIR TDISEHYWLN GAKFIGTFFI PDTYNPDDDK IYFFFRESSQ EGSTSDKTIL SRVGRVCKND VG Highest antigen sequence identity to the following orthologs: Mouse - 91%, Rat - 93%. SEMA3D induces the collapse and paralysis of n