Immunogen sequence: PVANAFQLER PHFTLPGTMV EGQMERSQNW GHPGVRQETG DEPKGEKEKK EEEKEQEEEE DPYTFAEIDD SEYDMILANL SIKKKTGSRS FIINRPPAPT PRPTSIPPKE ETTPYIAQVF QQKTARRQSD DDKFRGLPKK QDRARIESPA FSTLRGCLTD GQEELILLQE KVKNGKMSMD EALEKFKHWQ MGKSGLEMIQ QEKLRQLRDC IIG