Immunogen sequence: MPGSAAKGSE LSERIESFVE TLKRGGGPRS SEEMARETLG LLRQIITDHR WSNAGELMEL IRREGRRMTA AQPSETTVGN MVRRVLKIIR EEYGRLHGRS DESDQQESLH KLLTSGGLNE Positive Samples: Mouse thymus, Rat kidney. eIF2b beta is the beta subunit of eukaryotic initiation fa