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Database: UniProt
Entry: A0A158AH43_9BURK
LinkDB: A0A158AH43_9BURK
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ID   A0A158AH43_9BURK        Unreviewed;       323 AA.
AC   A0A158AH43;
DT   08-JUN-2016, integrated into UniProtKB/TrEMBL.
DT   08-JUN-2016, sequence version 1.
DT   24-JAN-2024, entry version 29.
DE   RecName: Full=Thymidylate synthase {ECO:0000256|ARBA:ARBA00011947, ECO:0000256|HAMAP-Rule:MF_00008};
DE            Short=TS {ECO:0000256|HAMAP-Rule:MF_00008};
DE            Short=TSase {ECO:0000256|HAMAP-Rule:MF_00008};
DE            EC=2.1.1.45 {ECO:0000256|ARBA:ARBA00011947, ECO:0000256|HAMAP-Rule:MF_00008};
GN   Name=thyA {ECO:0000256|HAMAP-Rule:MF_00008};
GN   ORFNames=AWB75_02122 {ECO:0000313|EMBL:SAK56387.1};
OS   Caballeronia catudaia.
OC   Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Caballeronia.
OX   NCBI_TaxID=1777136 {ECO:0000313|EMBL:SAK56387.1, ECO:0000313|Proteomes:UP000054870};
RN   [1] {ECO:0000313|EMBL:SAK56387.1, ECO:0000313|Proteomes:UP000054870}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=LMG 29318 {ECO:0000313|EMBL:SAK56387.1};
RA   Oliw E.H.;
RL   Submitted (JAN-2016) to the EMBL/GenBank/DDBJ databases.
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:0000256|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:0000256|HAMAP-Rule:MF_00008};
CC   -!- PATHWAY: Pyrimidine metabolism; dTTP biosynthesis. {ECO:0000256|HAMAP-
CC       Rule:MF_00008}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00008}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00008}.
CC   -!- SIMILARITY: Belongs to the thymidylate synthase family. Bacterial-type
CC       ThyA subfamily. {ECO:0000256|HAMAP-Rule:MF_00008}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_00008}.
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DR   EMBL; FCOF02000007; SAK56387.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A158AH43; -.
DR   OrthoDB; 9774633at2; -.
DR   UniPathway; UPA00575; -.
DR   Proteomes; UP000054870; Unassembled WGS sequence.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004799; F:thymidylate synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006231; P:dTMP biosynthetic process; IEA:UniProtKB-UniRule.
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   NCBIfam; TIGR03284; thym_sym; 1.
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.
PE   3: Inferred from homology;
KW   Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00008};
KW   Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW   Rule:MF_00008}; Nucleotide biosynthesis {ECO:0000256|HAMAP-Rule:MF_00008};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW   Rule:MF_00008}.
FT   DOMAIN          2..323
FT                   /note="Thymidylate synthase/dCMP hydroxymethylase"
FT                   /evidence="ECO:0000259|Pfam:PF00303"
FT   ACT_SITE        192
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000256|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:0000256|HAMAP-Rule:MF_00008"
FT   BINDING         172..173
FT                   /ligand="dUMP"
FT                   /ligand_id="ChEBI:CHEBI:246422"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00008"
FT   BINDING         214..217
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:0000256|HAMAP-Rule:MF_00008"
FT   BINDING         217
FT                   /ligand="(6R)-5,10-methylene-5,6,7,8-tetrahydrofolate"
FT                   /ligand_id="ChEBI:CHEBI:15636"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00008"
FT   BINDING         225
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:0000256|HAMAP-Rule:MF_00008"
FT   BINDING         255..257
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:0000256|HAMAP-Rule:MF_00008"
FT   BINDING         322
FT                   /ligand="(6R)-5,10-methylene-5,6,7,8-tetrahydrofolate"
FT                   /ligand_id="ChEBI:CHEBI:15636"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00008"
SQ   SEQUENCE   323 AA;  36804 MW;  0BDE067D036B77C4 CRC64;
     MKQYLELVQT ILDTGTWQEN RTGIRTISIP GAMLRFDLQQ GFPAVTTKKL AFKSAIGELV
     GFLRASKSAA DFRALGCKVW DANANENPQW LENPYRQGPD DLGDVYGVQW RKWPAYKLID
     AGANDQISDA TNRGFQLVTS FVENGREQVL LYKAIDQLRQ CLDTIIERPT DRRILFHAWN
     PAKLDEIALP ACHLLYQFIP NATTREISLC LYIRSNDVGL GTPFNLTEGA ALLHLVGRLT
     GYTPRWFTYF IGDAHIYENQ LGMLHEQLKR EPLPAPQLII SDRVPDYAVT KRYEPEWLEK
     IEPKDFALEG YKHHEPLTAP MAV
//
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