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Database: UniProt
Entry: R2RZB9_9ENTE
LinkDB: R2RZB9_9ENTE
Original site: R2RZB9_9ENTE 
ID   R2RZB9_9ENTE            Unreviewed;       315 AA.
AC   R2RZB9;
DT   26-JUN-2013, integrated into UniProtKB/TrEMBL.
DT   26-JUN-2013, sequence version 1.
DT   24-JAN-2024, entry version 50.
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=UAU_04450 {ECO:0000313|EMBL:EOH88630.1};
OS   Enterococcus pallens ATCC BAA-351.
OC   Bacteria; Bacillota; Bacilli; Lactobacillales; Enterococcaceae;
OC   Enterococcus.
OX   NCBI_TaxID=1158607 {ECO:0000313|EMBL:EOH88630.1, ECO:0000313|Proteomes:UP000013782};
RN   [1] {ECO:0000313|EMBL:EOH88630.1, ECO:0000313|Proteomes:UP000013782}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-351 {ECO:0000313|EMBL:EOH88630.1,
RC   ECO:0000313|Proteomes:UP000013782};
RG   The Broad Institute Genome Sequencing Platform;
RG   The Broad Institute Genome Sequencing Center for Infectious Disease;
RA   Earl A.M., Gilmore M.S., Lebreton F., Walker B., Young S.K., Zeng Q.,
RA   Gargeya S., Fitzgerald M., Haas B., Abouelleil A., Alvarado L.,
RA   Arachchi H.M., Berlin A.M., Chapman S.B., Dewar J., Goldberg J., Griggs A.,
RA   Gujja S., Hansen M., Howarth C., Imamovic A., Larimer J., McCowan C.,
RA   Murphy C., Neiman D., Pearson M., Priest M., Roberts A., Saif S., Shea T.,
RA   Sisk P., Sykes S., Wortman J., Nusbaum C., Birren B.;
RT   "The Genome Sequence of Enterococcus pallens BAA-351.";
RL   Submitted (FEB-2013) 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}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:EOH88630.1}.
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DR   EMBL; AJAQ01000045; EOH88630.1; -; Genomic_DNA.
DR   RefSeq; WP_010759386.1; NZ_KB946311.1.
DR   AlphaFoldDB; R2RZB9; -.
DR   STRING; 160454.RV10_GL000390; -.
DR   PATRIC; fig|1158607.3.peg.4429; -.
DR   eggNOG; COG0207; Bacteria.
DR   HOGENOM; CLU_021669_0_2_9; -.
DR   OrthoDB; 9774633at2; -.
DR   UniPathway; UPA00575; -.
DR   Proteomes; UP000013782; 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   InterPro; IPR020940; Thymidylate_synthase_AS.
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.
DR   PROSITE; PS00091; THYMIDYLATE_SYNTHASE; 1.
PE   3: Inferred from homology;
KW   Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00008};
KW   Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW   Rule:MF_00008};
KW   Nucleotide biosynthesis {ECO:0000256|ARBA:ARBA00022727, ECO:0000256|HAMAP-
KW   Rule:MF_00008}; Reference proteome {ECO:0000313|Proteomes:UP000013782};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW   Rule:MF_00008}.
FT   DOMAIN          3..315
FT                   /note="Thymidylate synthase/dCMP hydroxymethylase"
FT                   /evidence="ECO:0000259|Pfam:PF00303"
FT   ACT_SITE        197
FT                   /evidence="ECO:0000256|PROSITE-ProRule:PRU10016"
FT   ACT_SITE        197
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00008"
FT   BINDING         22
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         177..178
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         217..220
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         220
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         228
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         258..260
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         314
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   315 AA;  36335 MW;  3E62D2385C99930A CRC64;
     MEQAYLDLGK KLLTEGHQKG DRTGTGTKSL FGYQMRFDLS EGFPLLTTKR VPFGLIKSEL
     LWFIKGDTNI RYLLQHNNHI WDEWAFERYV QSEDYQGPDM TDFGHRALQD EDFNQQYQAE
     MKAFCEKILA DEAFAEKYGD LGNIYGSQWR HWQTKEGGFI DQLGDVIEMI KTNPDSRRLI
     VSAWNPEDVP SMALPPCHTM FQFYVNDGKL SCQLYQRSAD VFLGVPFNIA SYALLTHLIA
     HETNLEVGEF VHTLGDAHLY SNHEEQMKQQ LSRTPKAFPT LRLNQEKQSV FDFEMEDIQI
     EGYDPAPTIK APIAV
//
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