TPMT_PSYCK
ID TPMT_PSYCK Reviewed; 219 AA.
AC Q1Q8I2;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 16-MAY-2006, sequence version 1.
DT 03-AUG-2022, entry version 81.
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=Pcryo_2244;
OS Psychrobacter cryohalolentis (strain ATCC BAA-1226 / DSM 17306 / VKM B-2378
OS / K5).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC Psychrobacter.
OX NCBI_TaxID=335284;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1226 / DSM 17306 / VKM B-2378 / K5;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA Hammon N., Israni S., Dalin E., Tice H., Pitluck S., Brettin T., Bruce D.,
RA Han C., Tapia R., Sims D.R., Gilna P., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Kim E., Richardson P.;
RT "Complete sequence of chromosome of Psychrobacter cryohalolentis K5.";
RL Submitted (MAR-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000323; ABE76021.1; -; Genomic_DNA.
DR RefSeq; WP_011514554.1; NC_007969.1.
DR AlphaFoldDB; Q1Q8I2; -.
DR SMR; Q1Q8I2; -.
DR STRING; 335284.Pcryo_2244; -.
DR KEGG; pcr:Pcryo_2244; -.
DR eggNOG; COG0500; Bacteria.
DR HOGENOM; CLU_085515_1_0_6; -.
DR OMA; MEASFWH; -.
DR Proteomes; UP000002425; 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; S-adenosyl-L-methionine; Transferase.
FT CHAIN 1..219
FT /note="Thiopurine S-methyltransferase"
FT /id="PRO_1000134079"
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 130
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00812"
SQ SEQUENCE 219 AA; 25045 MW; 15A83E56904409E7 CRC64;
MNPEFWQARW KEKRIGFNQP KVNPLLIKYF SDLKMATGSR IFIPLCGKSI DMIWLANQGF
DMVGVELVES AVQEFFAENN ISYTIKAHDK NSNIKCYQGQ LSGQTIALWV ADIFMLRTND
VGRVDAVYDR AALIAMPAEL RPQYSQQVID LSQNAHQLLL TLNYDQNERA GPPFSISHEQ
IQQYYSAHYQ IQELEGKPST LNAAPEMTVT ENVWLLNKP
