Immunogen sequence: RSTGTETGSN INVNSELNPS TGNRSREQSS EAAETGVSEN EENPVRIISV TPVKNIDPVK NKEINSDQAT QGNISSDRGK KRTVTAA Highest antigen sequence identity to the following orthologs: Mouse - 90%, Rat - 89%. Nop56p is a yeast nucleolar protein that is part of