Immunogen sequence: ENSRSVAATI PRRNTLPAMD NSRLHRASSC ETYEYPQRGG ESAGRSAESM SDGVGSFLPG KMIVGRSDST NSEDNYVPMN PGSSTLLAME RAGDNSQSVY IPMSPGAHHF DSLGYPSTTL PVHRGPSRGS EIQPPPVNRN LKPDRKAKPT PLDLRNNTVI DELPFKSPIT KSWSRANHTF NSSSSQYCRP ISTQSITSTD SGDSEENYVP MQN