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Protein

Thymidylate synthase

Gene

thyA

Organism
Klebsiella pneumoniae (strain 342)
Status
Unreviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Catalyzes the reductive methylation of 2'-deoxyuridine-5'-monophosphate (dUMP) to 2'-deoxythymidine-5'-monophosphate (dTMP) while utilizing 5,10-methylenetetrahydrofolate (mTHF) as the methyl donor and reductant in the reaction, yielding dihydrofolate (DHF) as a by-product. This enzymatic reaction provides an intracellular de novo source of dTMP, an essential precursor for DNA biosynthesis.UniRule annotation

Catalytic activityi

5,10-methylenetetrahydrofolate + dUMP = dihydrofolate + dTMP.UniRule annotationSAAS annotation

Pathwayi: dTTP biosynthesis

This protein is involved in the pathway dTTP biosynthesis, which is part of Pyrimidine metabolism.UniRule annotationSAAS annotation
View all proteins of this organism that are known to be involved in the pathway dTTP biosynthesis and in Pyrimidine metabolism.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Binding sitei21dUMPUniRule annotation1
Binding sitei515,10-methylenetetrahydrofolateUniRule annotation1
Active sitei146NucleophileUniRule annotation1
Binding sitei1695,10-methylenetetrahydrofolateUniRule annotation1
Binding sitei177dUMPUniRule annotation1
Binding sitei2635,10-methylenetetrahydrofolate; via carbonyl oxygenUniRule annotation1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Nucleotide bindingi126 – 127dUMP; shared with dimeric partnerUniRule annotation2
Nucleotide bindingi166 – 169dUMPUniRule annotation4
Nucleotide bindingi207 – 209dUMPUniRule annotation3

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

MethyltransferaseUniRule annotationSAAS annotationImported, Transferase

Keywords - Biological processi

Nucleotide biosynthesisUniRule annotationSAAS annotation

Enzyme and pathway databases

UniPathwayiUPA00575.

Names & Taxonomyi

Protein namesi
Recommended name:
Thymidylate synthaseUniRule annotationSAAS annotation (EC:2.1.1.45UniRule annotation)
Short name:
TSUniRule annotation
Short name:
TSaseUniRule annotation
Gene namesi
Name:thyAUniRule annotationImported
Ordered Locus Names:KPK_0879Imported
OrganismiKlebsiella pneumoniae (strain 342)Imported
Taxonomic identifieri507522 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacteralesEnterobacteriaceaeKlebsiella
Proteomesi
  • UP000001734 Componenti: Chromosome

Subcellular locationi

  • Cytoplasm UniRule annotation

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

CytoplasmUniRule annotation

Interactioni

Subunit structurei

Homodimer.UniRule annotationSAAS annotation

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini2 – 264Thymidylat_syntInterPro annotationAdd BLAST263

Sequence similaritiesi

Belongs to the thymidylate synthase family. Bacterial-type ThyA subfamily.UniRule annotation

Phylogenomic databases

HOGENOMiHOG000257899.
KOiK00560.
OMAiIVYELLW.

Family and domain databases

CDDicd00351. TS_Pyrimidine_HMase. 1 hit.
Gene3Di3.30.572.10. 1 hit.
HAMAPiMF_00008. Thymidy_synth_bact. 1 hit.
InterProiIPR023451. Thymidate_synth/dCMP_Mease.
IPR000398. Thymidylate_synthase.
IPR020940. Thymidylate_synthase_AS.
[Graphical view]
PfamiPF00303. Thymidylat_synt. 1 hit.
[Graphical view]
PRINTSiPR00108. THYMDSNTHASE.
SUPFAMiSSF55831. SSF55831. 1 hit.
TIGRFAMsiTIGR03284. thym_sym. 2 hits.
PROSITEiPS00091. THYMIDYLATE_SYNTHASE. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

B5XUQ2-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MKQYLDLMQK VLTEGTPKND RTGTGTISIF GHQMRFNLQE GFPLVTTKRC
60 70 80 90 100
HLRSIIHELL WFLQGDTNIA YLHDNNVTIW DEWADENGDL GPVYGKQWRS
110 120 130 140 150
WPAPDGRHID QITTVMNQLK NDPDSRRIIV SAWNVGELDK MALAPCHAFF
160 170 180 190 200
QFYVADGKLS CQLYQRSCDV FLGLPFNIAS YALLVHMVAQ QCDLQVGDFV
210 220 230 240 250
WTGGDTHLYS NHLEQTNLQL SREPRPLPKL VIKRKPASIF DYRFEDFEIE
260
GYDPHPGIKA PVAI
Length:264
Mass (Da):30,293
Last modified:November 25, 2008 - v1
Checksum:iA405AF51A800ED6E
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000964 Genomic DNA. Translation: ACI08665.1.
RefSeqiWP_008806329.1. NC_011283.1.

Genome annotation databases

EnsemblBacteriaiACI08665; ACI08665; KPK_0879.
KEGGikpe:KPK_0879.
PATRICi20435338. VBIKlePne121904_1077.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000964 Genomic DNA. Translation: ACI08665.1.
RefSeqiWP_008806329.1. NC_011283.1.

3D structure databases

ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiACI08665; ACI08665; KPK_0879.
KEGGikpe:KPK_0879.
PATRICi20435338. VBIKlePne121904_1077.

Phylogenomic databases

HOGENOMiHOG000257899.
KOiK00560.
OMAiIVYELLW.

Enzyme and pathway databases

UniPathwayiUPA00575.

Family and domain databases

CDDicd00351. TS_Pyrimidine_HMase. 1 hit.
Gene3Di3.30.572.10. 1 hit.
HAMAPiMF_00008. Thymidy_synth_bact. 1 hit.
InterProiIPR023451. Thymidate_synth/dCMP_Mease.
IPR000398. Thymidylate_synthase.
IPR020940. Thymidylate_synthase_AS.
[Graphical view]
PfamiPF00303. Thymidylat_synt. 1 hit.
[Graphical view]
PRINTSiPR00108. THYMDSNTHASE.
SUPFAMiSSF55831. SSF55831. 1 hit.
TIGRFAMsiTIGR03284. thym_sym. 2 hits.
PROSITEiPS00091. THYMIDYLATE_SYNTHASE. 1 hit.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiB5XUQ2_KLEP3
AccessioniPrimary (citable) accession number: B5XUQ2
Entry historyi
Integrated into UniProtKB/TrEMBL: November 25, 2008
Last sequence update: November 25, 2008
Last modified: November 30, 2016
This is version 63 of the entry and version 1 of the sequence. [Complete history]
Entry statusiUnreviewed (UniProtKB/TrEMBL)

Miscellaneousi

Keywords - Technical termi

Complete proteomeImported

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.