Immunogen sequence: MSSHLVEPPP PLHNNNNNCE ENEQSLPPPA GLNSSWVELP MNSSNGNDNG NGKNGGLEHV PSSSSIHNGD MEKILLDAQH ESGQSSSRGS SHCDSPSPQE DGQIMFDVEM HTSRDHSSQS EEEVVEGEKE VEALKKSADW VSDWSSRPEN IPPKEFHFRH PKRSVSLSMR KSGAMKKGGI FSAEFLK. This gene encodes a protein