Immunogen sequence: LFFVDTGSKEK GLTKKRTKVQ KKSLLLKKPL RVDLILENTS KVPAPKDVLA HQVPNAKKLR RKEQLWEKLA Highest antigen sequence identity to the following orthologs - mouse 80%, rat 80%. Nucleolar protein which is involved in the integration of the 5S RNP into