Immunogen sequence: RYTYGKPMLG AVQVSVCQKA NTYWYREVER EQLPDKCRNL SGQTDKTGCF SAPVDMATFD LIGYAYSHQI NIVATVVEEG TGVEANATQN IY Highest antigen sequence identity to the following orthologs: Mouse - 36%, Rat - 37%. A2ML1 is a new member of the alpha 2-macroglob