Immunogen sequence: GSGEVDELFD VKNAFYIGSY QQCINEAQRV KLSSPERDVE RDVFLYRAYL AQRKFGVVLD EIKPSSAPEL QAVRMFADYL Highest antigen sequence identity to the following orthologs: Mouse - 96%, Rat - 95%. The product of this gene is an epsilon subunit of coatomer p