ID TYSY_YERPE Reviewed; 264 AA. AC Q8ZHV1; Q0WIQ0; DT 02-MAY-2002, integrated into UniProtKB/Swiss-Prot. DT 01-MAR-2002, sequence version 1. DT 27-MAR-2024, entry version 141. DE RecName: Full=Thymidylate synthase {ECO:0000255|HAMAP-Rule:MF_00008}; DE Short=TS {ECO:0000255|HAMAP-Rule:MF_00008}; DE Short=TSase {ECO:0000255|HAMAP-Rule:MF_00008}; DE EC=2.1.1.45 {ECO:0000255|HAMAP-Rule:MF_00008}; GN Name=thyA {ECO:0000255|HAMAP-Rule:MF_00008}; GN OrderedLocusNames=YPO0783, y3171, YP_2875; OS Yersinia pestis. OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Yersiniaceae; Yersinia. OX NCBI_TaxID=632; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=CO-92 / Biovar Orientalis; RX PubMed=11586360; DOI=10.1038/35097083; RA Parkhill J., Wren B.W., Thomson N.R., Titball R.W., Holden M.T.G., RA Prentice M.B., Sebaihia M., James K.D., Churcher C.M., Mungall K.L., RA Baker S., Basham D., Bentley S.D., Brooks K., Cerdeno-Tarraga A.-M., RA Chillingworth T., Cronin A., Davies R.M., Davis P., Dougan G., Feltwell T., RA Hamlin N., Holroyd S., Jagels K., Karlyshev A.V., Leather S., Moule S., RA Oyston P.C.F., Quail M.A., Rutherford K.M., Simmonds M., Skelton J., RA Stevens K., Whitehead S., Barrell B.G.; RT "Genome sequence of Yersinia pestis, the causative agent of plague."; RL Nature 413:523-527(2001). RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=KIM10+ / Biovar Mediaevalis; RX PubMed=12142430; DOI=10.1128/jb.184.16.4601-4611.2002; RA Deng W., Burland V., Plunkett G. III, Boutin A., Mayhew G.F., Liss P., RA Perna N.T., Rose D.J., Mau B., Zhou S., Schwartz D.C., Fetherston J.D., RA Lindler L.E., Brubaker R.R., Plano G.V., Straley S.C., McDonough K.A., RA Nilles M.L., Matson J.S., Blattner F.R., Perry R.D.; RT "Genome sequence of Yersinia pestis KIM."; RL J. Bacteriol. 184:4601-4611(2002). RN [3] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=91001 / Biovar Mediaevalis; RX PubMed=15368893; DOI=10.1093/dnares/11.3.179; RA Song Y., Tong Z., Wang J., Wang L., Guo Z., Han Y., Zhang J., Pei D., RA Zhou D., Qin H., Pang X., Han Y., Zhai J., Li M., Cui B., Qi Z., Jin L., RA Dai R., Chen F., Li S., Ye C., Du Z., Lin W., Wang J., Yu J., Yang H., RA Wang J., Huang P., Yang R.; RT "Complete genome sequence of Yersinia pestis strain 91001, an isolate RT avirulent to humans."; RL DNA Res. 11:179-197(2004). CC -!- FUNCTION: Catalyzes the reductive methylation of 2'-deoxyuridine-5'- CC monophosphate (dUMP) to 2'-deoxythymidine-5'-monophosphate (dTMP) while CC utilizing 5,10-methylenetetrahydrofolate (mTHF) as the methyl donor and CC reductant in the reaction, yielding dihydrofolate (DHF) as a by- CC product. This enzymatic reaction provides an intracellular de novo CC source of dTMP, an essential precursor for DNA biosynthesis. CC {ECO:0000255|HAMAP-Rule:MF_00008}. CC -!- CATALYTIC ACTIVITY: CC Reaction=(6R)-5,10-methylene-5,6,7,8-tetrahydrofolate + dUMP = 7,8- CC dihydrofolate + dTMP; Xref=Rhea:RHEA:12104, ChEBI:CHEBI:15636, CC ChEBI:CHEBI:57451, ChEBI:CHEBI:63528, ChEBI:CHEBI:246422; CC EC=2.1.1.45; Evidence={ECO:0000255|HAMAP-Rule:MF_00008}; CC -!- PATHWAY: Pyrimidine metabolism; dTTP biosynthesis. {ECO:0000255|HAMAP- CC Rule:MF_00008}. CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00008}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00008}. CC -!- SIMILARITY: Belongs to the thymidylate synthase family. Bacterial-type CC ThyA subfamily. {ECO:0000255|HAMAP-Rule:MF_00008}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AL590842; CAL19455.1; -; Genomic_DNA. DR EMBL; AE009952; AAM86721.1; -; Genomic_DNA. DR EMBL; AE017042; AAS63057.1; -; Genomic_DNA. DR PIR; AE0096; AE0096. DR RefSeq; WP_002211384.1; NZ_WUCM01000007.1. DR RefSeq; YP_002345838.1; NC_003143.1. DR AlphaFoldDB; Q8ZHV1; -. DR SMR; Q8ZHV1; -. DR STRING; 214092.YPO0783; -. DR PaxDb; 214092-YPO0783; -. DR DNASU; 1148118; -. DR EnsemblBacteria; AAS63057; AAS63057; YP_2875. DR GeneID; 57973851; -. DR KEGG; ype:YPO0783; -. DR KEGG; ypk:y3171; -. DR KEGG; ypm:YP_2875; -. DR PATRIC; fig|214092.21.peg.1046; -. DR eggNOG; COG0207; Bacteria. DR HOGENOM; CLU_021669_0_0_6; -. DR OMA; IVYELLW; -. DR OrthoDB; 9774633at2; -. DR UniPathway; UPA00575; -. DR Proteomes; UP000000815; Chromosome. DR Proteomes; UP000001019; Chromosome. DR Proteomes; UP000002490; Chromosome. DR GO; GO:0005829; C:cytosol; IBA:GO_Central. DR GO; GO:0004799; F:thymidylate synthase activity; IBA:GO_Central. DR GO; GO:0006231; P:dTMP biosynthetic process; IBA:GO_Central. DR GO; GO:0006235; P:dTTP biosynthetic process; IEA:UniProtKB-UniPathway. DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW. DR CDD; cd00351; TS_Pyrimidine_HMase; 1. DR Gene3D; 3.30.572.10; Thymidylate synthase/dCMP hydroxymethylase domain; 1. DR HAMAP; MF_00008; Thymidy_synth_bact; 1. DR InterPro; IPR045097; Thymidate_synth/dCMP_Mease. DR InterPro; IPR023451; Thymidate_synth/dCMP_Mease_dom. DR InterPro; IPR036926; Thymidate_synth/dCMP_Mease_sf. DR InterPro; IPR000398; Thymidylate_synthase. DR InterPro; IPR020940; Thymidylate_synthase_AS. DR NCBIfam; TIGR03284; thym_sym; 2. DR PANTHER; PTHR11548:SF9; THYMIDYLATE SYNTHASE; 1. DR PANTHER; PTHR11548; THYMIDYLATE SYNTHASE 1; 1. DR Pfam; PF00303; Thymidylat_synt; 1. DR PRINTS; PR00108; THYMDSNTHASE. DR SUPFAM; SSF55831; Thymidylate synthase/dCMP hydroxymethylase; 1. DR PROSITE; PS00091; THYMIDYLATE_SYNTHASE; 1. PE 3: Inferred from homology; KW Cytoplasm; Methyltransferase; Nucleotide biosynthesis; Reference proteome; KW Transferase. FT CHAIN 1..264 FT /note="Thymidylate synthase" FT /id="PRO_0000141051" FT ACT_SITE 146 FT /note="Nucleophile" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00008" FT BINDING 21 FT /ligand="dUMP" FT /ligand_id="ChEBI:CHEBI:246422" FT /ligand_note="ligand shared between dimeric partners" FT /note="in other chain" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00008" FT BINDING 51 FT /ligand="(6R)-5,10-methylene-5,6,7,8-tetrahydrofolate" FT /ligand_id="ChEBI:CHEBI:15636" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00008" FT BINDING 126..127 FT /ligand="dUMP" FT /ligand_id="ChEBI:CHEBI:246422" FT /ligand_note="ligand shared between dimeric partners" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00008" FT BINDING 166..169 FT /ligand="dUMP" FT /ligand_id="ChEBI:CHEBI:246422" FT /ligand_note="ligand shared between dimeric partners" FT /note="in other chain" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00008" FT BINDING 169 FT /ligand="(6R)-5,10-methylene-5,6,7,8-tetrahydrofolate" FT /ligand_id="ChEBI:CHEBI:15636" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00008" FT BINDING 177 FT /ligand="dUMP" FT /ligand_id="ChEBI:CHEBI:246422" FT /ligand_note="ligand shared between dimeric partners" FT /note="in other chain" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00008" FT BINDING 207..209 FT /ligand="dUMP" FT /ligand_id="ChEBI:CHEBI:246422" FT /ligand_note="ligand shared between dimeric partners" FT /note="in other chain" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00008" FT BINDING 263 FT /ligand="(6R)-5,10-methylene-5,6,7,8-tetrahydrofolate" FT /ligand_id="ChEBI:CHEBI:15636" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00008" SQ SEQUENCE 264 AA; 30111 MW; 3312FB64139982FC CRC64; MKQYLDLMKK VLEEGTPKAD RTGTGTLSIF GHQMRFNLQD GFPLVTTKRC HLRSIIHELL WFLNGDTNIA YLKENNVSIW DEWADENGDL GPIYGKQWRA WGAADGRKID QLSNVVNQLK QDPDSRRIIV SAWNVGELDQ MALAPCHAFF QFYVADGKLS CQLYQRSCDV FLGLPFNIAS YALLVHMMAQ QCDLAVGDFV WTGGDTHLYS NHIDQAHLQL SREPRVLPKL VIKRKPDSLF DYHFDDFDIE GYDPHPGIKA PIAI //