Immunogen sequence: DFCGGTERAID QASFTTSMEW DTQVVKGSSP LGPAGLGAEE PAAGPQLPSW LQPERCAVFQ CAQCHAVLAD SVHLAWDLSR SLGAVVFSRV TNNVVLEAPF LVGIEGSL Highest antigen sequence identity to the following orthologs - mouse 59%, rat 59%. Required for recruitment of CEN