Immunogen sequence: PVPSIVGVNN NEFGWLIPKV MRIYDTQKEM DREASQAALQ KMLTLLMLPP TFGDLLREEY IGDNGDPQTL QAQFQEMMAD SMFVIPALQV AHFQCSRAPV YFYEFQHQP. CES2 is a member of the carboxylesterase large family. The family members are responsible for the hydrolysis or t