>sp|Q3BCR6|TPMT_HORSE Thiopurine S-methyltransferase OS=Equus caballus GN=TPMT MDGTRTVLDIKEYSDSEVQKNRVLTLEEWQGKWVTGKTIFHQEQGHQLLKKHLDAFLKGE SGLKVFFPLCGKAVEMKWFADRGHSVVGVEISELGIREFFTEQNLSYSEEPIIEIPGAKV FKSSSGNISLYCCNIFDLPRTNIGKFDRIWDRGALVAVNPGDRKRYVDIMLSLTRKGFHY LLAVLSYDPTKHAGPPFFVSDAEVKRLFDSVCNIRCLEKVDALEERHKSWGIDYLVETLY LFTEK