Immunogen sequence: QEVDYMSDGS SSSQEEPESK AKAPQQEEGP KGVDEQSDSS EESEEEKPPE EDKEEEEEKK APTPQEKKRR KDSSEESDSS EESDIDSEAS SALFMAKKKT PPKRERKPSG GSSRGNSRPG TPSAEGGSTS STLRAAASKL EQGK. TFIIF is a general transcription initiation factor that binds to RNA polym