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Protein

Thiazole synthase

Gene

thiG

Organism
Psychrobacter cryohalolentis (strain K5)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Catalyzes the rearrangement of 1-deoxy-D-xylulose 5-phosphate (DXP) to produce the thiazole phosphate moiety of thiamine. Sulfur is provided by the thiocarboxylate moiety of the carrier protein ThiS. In vitro, sulfur can be provided by H2S.UniRule annotation

Catalytic activityi

1-deoxy-D-xylulose 5-phosphate + 2-iminoacetate + thiocarboxy-[sulfur-carrier protein ThiS] = 2-((2R,5Z)-2-carboxy-4-methylthiazol-5(2H)-ylidene)ethyl phosphate + [sulfur-carrier protein ThiS] + 2 H2O.UniRule annotation

Pathwayi: thiamine diphosphate biosynthesis

This protein is involved in the pathway thiamine diphosphate biosynthesis, which is part of Cofactor biosynthesis.UniRule annotation
View all proteins of this organism that are known to be involved in the pathway thiamine diphosphate biosynthesis and in Cofactor biosynthesis.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei115Schiff-base intermediate with DXPUniRule annotation1
Binding sitei176DXP; via amide nitrogenUniRule annotation1

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Transferase

Keywords - Biological processi

Thiamine biosynthesis

Keywords - Ligandi

Schiff base

Enzyme and pathway databases

UniPathwayiUPA00060.

Names & Taxonomyi

Protein namesi
Recommended name:
Thiazole synthaseUniRule annotation (EC:2.8.1.10UniRule annotation)
Gene namesi
Name:thiGUniRule annotation
Ordered Locus Names:Pcryo_0248
OrganismiPsychrobacter cryohalolentis (strain K5)
Taxonomic identifieri335284 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaPseudomonadalesMoraxellaceaePsychrobacter
Proteomesi
  • UP000002425 Componenti: Chromosome

Subcellular locationi

  • Cytoplasm UniRule annotation

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_10000260321 – 274Thiazole synthaseAdd BLAST274

Interactioni

Subunit structurei

Homotetramer. Forms heterodimers with either ThiH or ThiS.UniRule annotation

Protein-protein interaction databases

STRINGi335284.Pcryo_0248.

Structurei

3D structure databases

ProteinModelPortaliQ1QE71.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni202 – 203DXP bindingUniRule annotation2
Regioni224 – 225DXP bindingUniRule annotation2

Sequence similaritiesi

Belongs to the ThiG family.UniRule annotation

Phylogenomic databases

eggNOGiENOG4105CA8. Bacteria.
COG2022. LUCA.
HOGENOMiHOG000248049.
KOiK03149.
OMAiAQYPSPA.
OrthoDBiPOG091H01K9.

Family and domain databases

CDDicd04728. ThiG. 1 hit.
Gene3Di3.20.20.70. 1 hit.
HAMAPiMF_00443. ThiG. 1 hit.
InterProiIPR013785. Aldolase_TIM.
IPR008867. ThiG.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q1QE71-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSDNTSTATQ STPLLQDTFT VGSRTFSSRL LVGTGKYKDM TETGAAIGAS
60 70 80 90 100
AAEIVTVAIR RTNIGQNSNE PNLLDVISPD KYTILPNTAG CFDAETAIRT
110 120 130 140 150
CKLARELLGG HNLVKLEVLG DEKTLYPNVM ETLKAAKVLI DDGFEVMVYT
160 170 180 190 200
SDDPIVAQEL ESMGCVAIMP LGSLIGSGLG LLNRHTLSLI IENAKVPVLV
210 220 230 240 250
DAGVGTASDA AIAMELGCDG VLMNSAIANA QNPVMMAQAM KHAVWAGRQA
260 270
FLAGRMPMRK MATASSPQTG YFFQ
Length:274
Mass (Da):29,005
Last modified:May 16, 2006 - v1
Checksum:iF2EE45486B058C1D
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000323 Genomic DNA. Translation: ABE74032.1.
RefSeqiWP_011512620.1. NC_007969.1.

Genome annotation databases

EnsemblBacteriaiABE74032; ABE74032; Pcryo_0248.
KEGGipcr:Pcryo_0248.
PATRICi23059913. VBIPsyCry128170_0304.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000323 Genomic DNA. Translation: ABE74032.1.
RefSeqiWP_011512620.1. NC_007969.1.

3D structure databases

ProteinModelPortaliQ1QE71.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi335284.Pcryo_0248.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiABE74032; ABE74032; Pcryo_0248.
KEGGipcr:Pcryo_0248.
PATRICi23059913. VBIPsyCry128170_0304.

Phylogenomic databases

eggNOGiENOG4105CA8. Bacteria.
COG2022. LUCA.
HOGENOMiHOG000248049.
KOiK03149.
OMAiAQYPSPA.
OrthoDBiPOG091H01K9.

Enzyme and pathway databases

UniPathwayiUPA00060.

Family and domain databases

CDDicd04728. ThiG. 1 hit.
Gene3Di3.20.20.70. 1 hit.
HAMAPiMF_00443. ThiG. 1 hit.
InterProiIPR013785. Aldolase_TIM.
IPR008867. ThiG.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiTHIG_PSYCK
AccessioniPrimary (citable) accession number: Q1QE71
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: May 16, 2006
Last modified: November 2, 2016
This is version 67 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

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.