Immunogen sequence: VYGNIVIQKK KYNKQHIIPL ENVTIDSIKD EGDLRNGWLI KTPTKSFAVY AATATEKSEW MNHINKCVTD LLSKSGKTPS N Highest antigen sequence identity to the following orthologs: Mouse - 99%, Rat - 98%. PLEKHF2 may play a role in early endosome fusion upstream