Immunogen sequence: MESGKTASPK SMPKDAQMMA QILKDMGITE YEPRVINQML EFAFRYVTTI LDDAKIYSSH AKKATVDADD VRLAIQCRAD QSFTSPPPRD FLLDIARQRN QTPLPLIKPY SGPRLPPDRY CLTAPNYRLK SLQKKASTSA GRITVPRLSV GSVTSRPSTP TLGTPTPQTM SV. Initiation of transcription by RNA polymera