Immunogen sequence: QALCVSFPQP CRAAERLQVL LTYRVGEGPG VCWLAPEQTA GKKKPFVYTQ GQAVLNRAFF PCFDTPAVKY KYSALIEVPD GFTAVMSAST WEKRGPNKFF Highest antigen sequence identity to the following orthologs: Mouse - 89%, Rat - 89%. Exopeptidase which selectively removes