ID   TPMT_XANCP              Reviewed;         218 AA.
AC   Q8PAT3;
DT   13-SEP-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2002, sequence version 1.
DT   04-NOV-2026, entry version 110.
DE   RecName: Full=Thiopurine S-methyltransferase {ECO:0000255|HAMAP-Rule:MF_00812};
DE            EC=2.1.1.67 {ECO:0000255|HAMAP-Rule:MF_00812};
DE   AltName: Full=Thiopurine methyltransferase {ECO:0000255|HAMAP-Rule:MF_00812};
GN   Name=tpm {ECO:0000255|HAMAP-Rule:MF_00812}; OrderedLocusNames=XCC1394;
OS   Xanthomonas campestris pv. campestris (strain ATCC 33913 / DSM 3586 / NCPPB
OS   528 / LMG 568 / P 25).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria;
OC   Lysobacterales; Lysobacteraceae; Xanthomonas.
OX   NCBI_TaxID=190485;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33913 / DSM 3586 / NCPPB 528 / LMG 568 / P 25;
RX   PubMed=12024217; DOI=10.1038/417459a;
RA   da Silva A.C.R., Ferro J.A., Reinach F.C., Farah C.S., Furlan L.R.,
RA   Quaggio R.B., Monteiro-Vitorello C.B., Van Sluys M.A., Almeida N.F. Jr.,
RA   Alves L.M.C., do Amaral A.M., Bertolini M.C., Camargo L.E.A., Camarotte G.,
RA   Cannavan F., Cardozo J., Chambergo F., Ciapina L.P., Cicarelli R.M.B.,
RA   Coutinho L.L., Cursino-Santos J.R., El-Dorry H., Faria J.B.,
RA   Ferreira A.J.S., Ferreira R.C.C., Ferro M.I.T., Formighieri E.F.,
RA   Franco M.C., Greggio C.C., Gruber A., Katsuyama A.M., Kishi L.T.,
RA   Leite R.P., Lemos E.G.M., Lemos M.V.F., Locali E.C., Machado M.A.,
RA   Madeira A.M.B.N., Martinez-Rossi N.M., Martins E.C., Meidanis J.,
RA   Menck C.F.M., Miyaki C.Y., Moon D.H., Moreira L.M., Novo M.T.M.,
RA   Okura V.K., Oliveira M.C., Oliveira V.R., Pereira H.A., Rossi A.,
RA   Sena J.A.D., Silva C., de Souza R.F., Spinola L.A.F., Takita M.A.,
RA   Tamura R.E., Teixeira E.C., Tezza R.I.D., Trindade dos Santos M.,
RA   Truffi D., Tsai S.M., White F.F., Setubal J.C., Kitajima J.P.;
RT   "Comparison of the genomes of two Xanthomonas pathogens with differing host
RT   specificities.";
RL   Nature 417:459-463(2002).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=S-adenosyl-L-methionine + a thiopurine = S-adenosyl-L-
CC         homocysteine + a thiopurine S-methylether.; EC=2.1.1.67;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00812};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00812}.
CC   -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC       superfamily. TPMT family. {ECO:0000255|HAMAP-Rule:MF_00812}.
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DR   EMBL; AE008922; AAM40692.1; -; Genomic_DNA.
DR   RefSeq; WP_011036586.1; NC_003902.1.
DR   AlphaFoldDB; Q8PAT3; -.
DR   SMR; Q8PAT3; -.
DR   STRING; 190485.XCC1394; -.
DR   EnsemblBacteria; AAM40692; AAM40692; XCC1394.
DR   GeneID; 58014008; -.
DR   KEGG; xcc:XCC1394; -.
DR   PATRIC; fig|190485.4.peg.1498; -.
DR   eggNOG; COG0500; Bacteria.
DR   HOGENOM; CLU_085515_1_0_6; -.
DR   OMA; AAFWHDK; -.
DR   OrthoDB; 9778208at2; -.
DR   Proteomes; UP000001010; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0008119; F:thiopurine S-methyltransferase activity; IBA:GO_Central.
DR   GO; GO:0010038; P:response to metal ion; IEA:InterPro.
DR   FunFam; 3.40.50.150:FF:000101; Thiopurine S-methyltransferase; 1.
DR   Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR   HAMAP; MF_00812; Thiopur_methtran; 1.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   InterPro; IPR022474; Thiopur_S-MeTfrase_Se/Te_detox.
DR   InterPro; IPR025835; Thiopurine_S-MeTrfase.
DR   InterPro; IPR008854; TPMT.
DR   NCBIfam; NF009732; PRK13255.1; 1.
DR   NCBIfam; TIGR03840; TMPT_Se_Te; 1.
DR   PANTHER; PTHR10259; THIOPURINE S-METHYLTRANSFERASE; 1.
DR   PANTHER; PTHR10259:SF11; THIOPURINE S-METHYLTRANSFERASE; 1.
DR   Pfam; PF05724; TPMT; 1.
DR   PIRSF; PIRSF023956; Thiopurine_S-methyltransferase; 1.
DR   SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
DR   PROSITE; PS51585; SAM_MT_TPMT; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Methyltransferase; Reference proteome; S-adenosyl-L-methionine;
KW   Transferase.
FT   CHAIN           1..218
FT                   /note="Thiopurine S-methyltransferase"
FT                   /id="PRO_0000220139"
FT   BINDING         10
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00812"
FT   BINDING         45
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00812"
FT   BINDING         66
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00812"
FT   BINDING         123
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00812"
SQ   SEQUENCE   218 AA;  24228 MW;  887F06E595ABF197 CRC64;
     MDTDFWLQRW QDGQTGFHQD EVMPLLQKHW PALQLPAHAR VLVPLCGKTL DLHWLAAQGH
     RVLGVEISPL AVTQFFDDAG LQPQRHTSRA GEHCIAGPIE IICGDAFTLD ASVLGDCTAV
     YDRAALVALP AALRQRYLET VYARLPAGCR GLLITLDYPQ AEKAGPPFSV DAAEVHALFG
     TQWKVQELEH RDILDQEPRF RADGVTALST GVYRLQRD
//