ID   TPMT_PSEFS              Reviewed;         218 AA.
AC   C3K732;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-JUN-2009, sequence version 1.
DT   03-AUG-2022, entry version 82.
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=PFLU_1728;
OS   Pseudomonas fluorescens (strain SBW25).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=216595;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SBW25;
RX   PubMed=19432983; DOI=10.1186/gb-2009-10-5-r51;
RA   Silby M.W., Cerdeno-Tarraga A.M., Vernikos G.S., Giddens S.R.,
RA   Jackson R.W., Preston G.M., Zhang X.-X., Moon C.D., Gehrig S.M.,
RA   Godfrey S.A.C., Knight C.G., Malone J.G., Robinson Z., Spiers A.J.,
RA   Harris S., Challis G.L., Yaxley A.M., Harris D., Seeger K., Murphy L.,
RA   Rutter S., Squares R., Quail M.A., Saunders E., Mavromatis K.,
RA   Brettin T.S., Bentley S.D., Hothersall J., Stephens E., Thomas C.M.,
RA   Parkhill J., Levy S.B., Rainey P.B., Thomson N.R.;
RT   "Genomic and genetic analyses of diversity and plant interactions of
RT   Pseudomonas fluorescens.";
RL   Genome Biol. 10:R51.1-R51.16(2009).
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; AM181176; CAY47976.1; -; Genomic_DNA.
DR   RefSeq; WP_012723004.1; NC_012660.1.
DR   AlphaFoldDB; C3K732; -.
DR   SMR; C3K732; -.
DR   STRING; 216595.PFLU_1728; -.
DR   PRIDE; C3K732; -.
DR   EnsemblBacteria; CAY47976; CAY47976; PFLU_1728.
DR   KEGG; pfs:PFLU_1728; -.
DR   PATRIC; fig|216595.4.peg.1951; -.
DR   eggNOG; COG0500; Bacteria.
DR   HOGENOM; CLU_085515_1_0_6; -.
DR   OMA; LWCGDFF; -.
DR   OrthoDB; 2049098at2; -.
DR   Proteomes; UP000002332; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0008119; F:thiopurine S-methyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR   GO; GO:0010038; P:response to metal ion; IEA:InterPro.
DR   Gene3D; 3.40.50.150; -; 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   Pfam; PF05724; TPMT; 1.
DR   PIRSF; PIRSF023956; Thiopurine_S-methyltransferase; 1.
DR   SUPFAM; SSF53335; SSF53335; 1.
DR   TIGRFAMs; TIGR03840; TMPT_Se_Te; 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_1000213023"
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;  24835 MW;  639664C5BFDBEDCA CRC64;
     MEPKFWQERW ARNQIGFHLP EVNPYLLRHW SHLSLADDAK VLVPLCGKSL DLMWLASHGL
     RVMGVELSEQ AVETFFSEQS LTPHITRRGA FTVYQADLLE VWCGDFFALG AEDLADCTAL
     YDRAALIALP PLMRAQYAEH LNTLLRPGCQ GLLVTLDYDQ TQKAGPPFAV TDDEVAVLFG
     LKWTLEVLEA RDILGESWKF VQDGVTRLDE RVYRLVMR