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Entry: A0A1L8CL70_9PROT
LinkDB: A0A1L8CL70_9PROT
Original site: A0A1L8CL70_9PROT 
ID   A0A1L8CL70_9PROT        Unreviewed;       277 AA.
AC   A0A1L8CL70;
DT   15-MAR-2017, integrated into UniProtKB/TrEMBL.
DT   15-MAR-2017, sequence version 1.
DT   24-JAN-2024, entry version 25.
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=MMIC_P0584 {ECO:0000313|EMBL:GAV19635.1};
OS   Mariprofundus micogutta.
OC   Bacteria; Pseudomonadota; Zetaproteobacteria; Mariprofundales;
OC   Mariprofundaceae; Mariprofundus.
OX   NCBI_TaxID=1921010 {ECO:0000313|EMBL:GAV19635.1, ECO:0000313|Proteomes:UP000231632};
RN   [1] {ECO:0000313|EMBL:GAV19635.1, ECO:0000313|Proteomes:UP000231632}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ET2 {ECO:0000313|EMBL:GAV19635.1,
RC   ECO:0000313|Proteomes:UP000231632};
RX   PubMed=27766355; DOI=10.1007/s00203-016-1307-4;
RA   Makita H., Tanaka E., Mitsunobu S., Miyazaki M., Nunoura T., Uematsu K.,
RA   Takaki Y., Nishi S., Shimamura S., Takai K.;
RT   "Mariprofundus micogutta sp. nov., a novel iron-oxidizing
RT   zetaproteobacterium isolated from a deep-sea hydrothermal field at the
RT   Bayonnaise knoll of the Izu-Ogasawara arc, and a description of
RT   Mariprofundales ord. nov. and Zetaproteobacteria classis nov.";
RL   Arch. Microbiol. 199:335-346(2017).
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: 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:GAV19635.1}.
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DR   EMBL; BDFD01000003; GAV19635.1; -; Genomic_DNA.
DR   RefSeq; WP_072658863.1; NZ_BDFD01000003.1.
DR   AlphaFoldDB; A0A1L8CL70; -.
DR   STRING; 1921010.MMIC_P0584; -.
DR   OrthoDB; 5289821at2; -.
DR   UniPathway; UPA00575; -.
DR   Proteomes; UP000231632; 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; 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.
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..276
FT                   /note="Thymidylate synthase/dCMP hydroxymethylase"
FT                   /evidence="ECO:0000259|Pfam:PF00303"
FT   ACT_SITE        159
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         51
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         126..127
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         179..182
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         182
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         190
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..222
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         276
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   277 AA;  31310 MW;  890F0E48B7C244B8 CRC64;
     MKAYLDLMRH VRDNGTQKGD RTGTGTKSVF GYQMRFDLSE GFPMVTTKKV HLKSIIHELL
     WFLKGDTNTK YLTENGVTIW NEWATDDGSL GPVYGYQWRN WPTPNGESID QVAELIEQIK
     SKPNSRRLIV SAWNASDLPD ESISPQANVA NGKMALAPCH AFFQFYVADG KLSCQLYQRS
     ADIFLGVPFN IASYALLTMM IAQVCDLKPG DFVHTFGDAH LYSNHMEQVE TQLARETFAL
     PTMTINTDVK NIFDFTYDDF ELEGYECHPG IRAPIAI
//
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