Immunogen sequence: MSLRKQTPSD FLKQIIGRPV VVKLNSGVDY RGVLACLDGY MNIALEQTEE YVNGQLKNKY GDAFIRGNNV LYISTQKRRM Highest antigen sequence identity to the following orthologs: Mouse - 100%, Rat - 100%. Sm-like proteins were identified in a variety of organisms