Immunogen sequence: LLLKESKYYT RKIYPVPYDQ EELKNRYQSF GNNHFAERSF LTAPQTEYRN NMIVIGLYFI NCQSLLQDRD TLNFFKESKF DALFTDPALP CGVILAEYLG LPSVYLFRGF PCSLEHTFSR SPDPVSYIPR CYTKFSDHMT FSQRVANFLV NLLEPYLFYC LFSKYEELAS AVLKRDVDII TLYQKVSVWL LRYDFVLEYP RPVMPN. UGT1A6