Immunogen sequence: CPFGTLLDAN LQNSLDNTNF ASVTQPQKQP AWKTGTYKGK PQVSISITEK VKSMQYDKQG IADTWQVVGT VTCKCDLEGI MPNVTISLSL PT Highest antigen sequence identity to the following orthologs: Mouse - 80%, Rat - 85%. As part of AP-5, a probable fifth adaptor prot