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
//