Immunogen sequence: TSYDYDAPLS EAGDLTEKYF ALRNIIQKFE KVPEGPIPPS TPKFAYGKVT LEKLKTVGAA LDILCPSGPI KSLYPLTFIQ VKQHYGFVLY RTTLPQDCSN PAPLSSPLNG VHDRAYVAVD GIPQGVLERN NVITLNITGK AGATLDLLVE NMGRVNYGAY INDFKGLVSN LTLSSNILTD WTIFPLDTED AVCSHLGGWG HRDSGHHDEA WAH