Immunogen sequence: GREVMDRFFPL VPDLLSPRGL FYLVTIKENN PEEILKIMKT KGLQGTTALS RQAGQETLSV LKFT Highest antigen sequence identity to the following orthologs - mouse 85%, rat 88%. Heterodimeric methyltransferase that catalyzes N5-methylation of ETF1 on 'Gln-1