Immunogen sequence: VLRATKLGIP YRVIHNASIM NAVGCCGLQL YKFGETVSIV FWTDTWRPES FFDKVKKNRQ NGMHTLCLLD IKVKEQSLEN LIKGRKIYEP PRYMS. This gene encodes a component of the diphthamide synthesis pathway. Diphthamide is a post-translationally modified histidine res