ID TYSY_ALCBS Reviewed; 277 AA.
AC Q0VM06;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 05-SEP-2006, sequence version 1.
DT 27-MAR-2024, entry version 99.
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}; OrderedLocusNames=ABO_2344;
OS Alcanivorax borkumensis (strain ATCC 700651 / DSM 11573 / NCIMB 13689 /
OS SK2).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC Alcanivoracaceae; Alcanivorax.
OX NCBI_TaxID=393595;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700651 / DSM 11573 / NCIMB 13689 / SK2;
RX PubMed=16878126; DOI=10.1038/nbt1232;
RA Schneiker S., Martins dos Santos V.A.P., Bartels D., Bekel T., Brecht M.,
RA Buhrmester J., Chernikova T.N., Denaro R., Ferrer M., Gertler C.,
RA Goesmann A., Golyshina O.V., Kaminski F., Khachane A.N., Lang S., Linke B.,
RA McHardy A.C., Meyer F., Nechitaylo T., Puehler A., Regenhardt D., Rupp O.,
RA Sabirova J.S., Selbitschka W., Yakimov M.M., Timmis K.N., Vorhoelter F.-J.,
RA Weidner S., Kaiser O., Golyshin P.N.;
RT "Genome sequence of the ubiquitous hydrocarbon-degrading marine bacterium
RT Alcanivorax borkumensis.";
RL Nat. Biotechnol. 24:997-1004(2006).
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}.
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DR EMBL; AM286690; CAL17792.1; -; Genomic_DNA.
DR RefSeq; WP_011589618.1; NC_008260.1.
DR AlphaFoldDB; Q0VM06; -.
DR SMR; Q0VM06; -.
DR STRING; 393595.ABO_2344; -.
DR KEGG; abo:ABO_2344; -.
DR eggNOG; COG0207; Bacteria.
DR HOGENOM; CLU_021669_0_0_6; -.
DR OrthoDB; 9774633at2; -.
DR UniPathway; UPA00575; -.
DR Proteomes; UP000008871; Chromosome.
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; Methyltransferase; Nucleotide biosynthesis; Reference proteome;
KW Transferase.
FT CHAIN 1..277
FT /note="Thymidylate synthase"
FT /id="PRO_1000000571"
FT ACT_SITE 159
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 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:0000255|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:0000255|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:0000255|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:0000255|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:0000255|HAMAP-Rule:MF_00008"
SQ SEQUENCE 277 AA; 31049 MW; 7807D5D137C0D0A3 CRC64;
MKQYLDLLRH VREHGTYKED RTGTGTYAVF GYQMRYDLSQ GFPMLTTKKL HLRSIIHELL
WFLSGDTNIR YLKENGVSIW DGWATPEGEL GPVYGEQWRS WKTADGGVID QITEVLKEIK
RNPDSRRLVV SAWNPAVLPD PSISPDANAA AGKQALPPCH CLFQFYVADG KLSCQLYQRS
GDIFLGVPFN IASYALLTLM MAQVCDLQPG DFVHTLGDAH LYSNHLEQAD TQLARTPGPL
PTMTLNPAVK DLFAFTFDDF TVSNYNPDAH IKAPVAI
//
