Immunogen sequence: NLMKKELEEE RSRYQNLVKE YSQLEQRYDN LRDEMTIIKQ TPGHRRNPSN QSSLESDSNY PSISTSEIGD TEDALQQVEE IGLEKAAMDM TVFLK Highest antigen sequence identity to the following orthologs: Mouse - 94%, Rat - 89%. May be involved in vesicular trafficking vi