>sp|A7IIX3|TPMT_XANP2 Thiopurine S-methyltransferase OS=Xanthobacter autotrophicus GN=tpm MEPDFWHARWQTKQIQGFHEGKANAFLVKHFPRLPVAPGARVFVPLCGKTRDIAWLLGEG FRVAGAELSRIAVEELFAELGVVPEVTTQGAHTRFSAPGLDIFQGDIFALTPDTLGPVDA VWDRAALVALPKDMRARYAPHLVALTDTAPQLLVCFEYDQPLLAGPPFSVPPEETRTLYG ADYVVAAIDTAPVPGGLKGQCEAVEHVWLLERA