Immunogen sequence: EAYEVLSDPK KREIYDQFGE EGLKGGAGGT DGQGGTFRYT FHGDPHATFA AFFGGSNPFE IFFGRRMGGG RDSEEMEIDG DPFSAFGFSM NGYPRDRNSV GPSRLKQDPP V. DnaJ heat shock induced proteins are from the bacterium Escherichia coli and are under the control of the htpR