Immunogen sequence: IVMPTPKPEL WAETNFPLAP WKNLTLWCRS PSGSTKEFVL LKDGTGWIAT RPASEQVRAA FPLGALTQSH TGSYHCHSWE EMAVSEPSE Highest antigen sequence identity to the following orthologs: Mouse - 99%, Rat - 97%. This gene encodes a member of the immunoglobulin-l