Immunogen sequence: FVSVTQEEDV PQVRRDWYVY AFLSSLPWVG KELYEKKDAE MDRIFANTES YLKRRQKTHV PMLQVWTADK PHPQEEYLDC LWAQIQKLKK DRWQERHILR PYLAFDSILC EALQHNLPPF TPPPH. May be involved in protein trafficking from the plasma membrane to the early endosome (EE) as w