ID K0C1E1_CYCSP Unreviewed; 218 AA.
AC K0C1E1;
DT 28-NOV-2012, integrated into UniProtKB/TrEMBL.
DT 28-NOV-2012, sequence version 1.
DT 27-MAR-2024, entry version 53.
DE RecName: Full=Thiopurine S-methyltransferase {ECO:0000256|ARBA:ARBA00011905, ECO:0000256|HAMAP-Rule:MF_00812};
DE EC=2.1.1.67 {ECO:0000256|ARBA:ARBA00011905, ECO:0000256|HAMAP-Rule:MF_00812};
DE AltName: Full=Thiopurine methyltransferase {ECO:0000256|HAMAP-Rule:MF_00812};
GN Name=tpm {ECO:0000256|HAMAP-Rule:MF_00812,
GN ECO:0000313|EMBL:AFT66263.1};
GN OrderedLocusNames=Q91_0223 {ECO:0000313|EMBL:AFT66263.1};
OS Cycloclasticus sp. (strain P1).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC Piscirickettsiaceae; Cycloclasticus.
OX NCBI_TaxID=385025 {ECO:0000313|EMBL:AFT66263.1, ECO:0000313|Proteomes:UP000006282};
RN [1] {ECO:0000313|EMBL:AFT66263.1, ECO:0000313|Proteomes:UP000006282}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=P1 {ECO:0000313|EMBL:AFT66263.1,
RC ECO:0000313|Proteomes:UP000006282};
RX PubMed=23144416; DOI=10.1128/JB.01837-12;
RA Lai Q., Li W., Wang B., Yu Z., Shao Z.;
RT "Complete genome sequence of the pyrene-degrading bacterium Cycloclasticus
RT sp. strain P1.";
RL J. Bacteriol. 194:6677-6677(2012).
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:0000256|ARBA:ARBA00000903, ECO:0000256|HAMAP-
CC Rule:MF_00812};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|HAMAP-Rule:MF_00812}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. TPMT family. {ECO:0000256|ARBA:ARBA00008145,
CC ECO:0000256|HAMAP-Rule:MF_00812}.
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DR EMBL; CP003230; AFT66263.1; -; Genomic_DNA.
DR RefSeq; WP_015005035.1; NC_018697.1.
DR AlphaFoldDB; K0C1E1; -.
DR STRING; 385025.Q91_0223; -.
DR KEGG; cyq:Q91_0223; -.
DR PATRIC; fig|385025.3.peg.230; -.
DR HOGENOM; CLU_085515_1_0_6; -.
DR Proteomes; UP000006282; 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; 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; 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 {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00812};
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW Rule:MF_00812}; Reference proteome {ECO:0000313|Proteomes:UP000006282};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW Rule:MF_00812};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00812}.
FT BINDING 10
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00812"
FT BINDING 45
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00812"
FT BINDING 66
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00812"
FT BINDING 123
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00812"
SQ SEQUENCE 218 AA; 25181 MW; A7B11311555E3666 CRC64;
MDTNFWHERW AKSEIGFHLN DVNPYLIEHF AALKPKANAA VFVPLCGKSK DLIWLAEHAE
KVLGIELSKK AVEDFFKENN LTPSITQGDR FLTYRYENLT IICGDLFELT ADDVAAYQLV
YDRASLIAFP ADMRARYVEK LNELLPNKTQ RLLVTVDYPQ HEMSGPPFSV TPEEVQQHFS
ARYEIQRLAS EDILEQSKRF KAKGVSRMLE HVFLLTEK
//
