Immunogen sequence: MTFEDTSNFY HPNFPFSGKI RVRGHDDSFL KNHLVFLVIY GTNGTFNQTL VTDNNGLAPF TLETSGWNGT DVSLEGKFQM EDLVYNPEQV PRYYQ Highest antigen sequence identity to the following orthologs: Mouse - 26%, Rat - 22%. A2ML1 is a new member of the alpha 2-macrog