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B7N6S2

- LUXS_ECOLU

UniProt

B7N6S2 - LUXS_ECOLU

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Protein

S-ribosylhomocysteine lyase

Gene
luxS, ECUMN_3012
Organism
Escherichia coli O17:K52:H18 (strain UMN026 / ExPEC)
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

Involved in the synthesis of autoinducer 2 (AI-2) which is secreted by bacteria and is used to communicate both the cell density and the metabolic potential of the environment. The regulation of gene expression in response to changes in cell density is called quorum sensing. Catalyzes the transformation of S-ribosylhomocysteine (RHC) to homocysteine (HC) and 4,5-dihydroxy-2,3-pentadione (DPD) By similarity.UniRule annotation

Catalytic activityi

S-(5-deoxy-D-ribos-5-yl)-L-homocysteine = L-homocysteine + (4S)-4,5-dihydroxypentan-2,3-dione.UniRule annotation

Cofactori

Binds 1 iron ion per subunit By similarity.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi54 – 541Iron By similarity
Metal bindingi58 – 581Iron By similarity
Metal bindingi128 – 1281Iron By similarity

GO - Molecular functioni

  1. iron ion binding Source: InterPro
  2. S-ribosylhomocysteine lyase activity Source: UniProtKB-HAMAP

GO - Biological processi

  1. quorum sensing Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Molecular functioni

Lyase

Keywords - Biological processi

Autoinducer synthesis, Quorum sensing

Keywords - Ligandi

Iron, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
S-ribosylhomocysteine lyase (EC:4.4.1.21)
Alternative name(s):
AI-2 synthesis protein
Autoinducer-2 production protein LuxS
Gene namesi
Name:luxS
Ordered Locus Names:ECUMN_3012
OrganismiEscherichia coli O17:K52:H18 (strain UMN026 / ExPEC)
Taxonomic identifieri585056 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia
ProteomesiUP000007097: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 171171S-ribosylhomocysteine lyaseUniRule annotationPRO_1000117220Add
BLAST

Proteomic databases

PRIDEiB7N6S2.

Interactioni

Subunit structurei

Homodimer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi585056.ECUMN_3012.

Structurei

3D structure databases

ProteinModelPortaliB7N6S2.
SMRiB7N6S2. Positions 3-161.

Family & Domainsi

Sequence similaritiesi

Belongs to the LuxS family.

Phylogenomic databases

eggNOGiCOG1854.
HOGENOMiHOG000040371.
KOiK07173.
OMAiAWLASMN.
OrthoDBiEOG68WRBM.

Family and domain databases

Gene3Di3.30.1360.80. 1 hit.
HAMAPiMF_00091. LuxS.
InterProiIPR011249. Metalloenz_LuxS/M16.
IPR003815. S-ribosylhomocysteinase.
[Graphical view]
PfamiPF02664. LuxS. 1 hit.
[Graphical view]
PIRSFiPIRSF006160. AI2. 1 hit.
PRINTSiPR01487. LUXSPROTEIN.
ProDomiPD013172. S-ribosylhomocysteinase. 1 hit.
[Graphical view] [Entries sharing at least one domain]
SUPFAMiSSF63411. SSF63411. 1 hit.

Sequencei

Sequence statusi: Complete.

B7N6S2-1 [UniParc]FASTAAdd to Basket

« Hide

MPLLDSFTVD HTRMEAPAVR VAKTMNTPHG DAITVFDLRF CVPNKEVMPE    50
RGIHTLEHLF AGFMRNHLNG NGVEIIDISP MGCRTGFYMS LIGTPDEQRV 100
ADAWKAAMED VLKVQDQNQI PELNVYQCGT YQMHSLQEAQ DIARSILERD 150
VRINSNEELA LPKEKLQELH I 171
Length:171
Mass (Da):19,416
Last modified:March 24, 2009 - v1
Checksum:i131F57F1866DA105
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CU928163 Genomic DNA. Translation: CAR14183.1.
RefSeqiYP_002413705.1. NC_011751.1.

Genome annotation databases

EnsemblBacteriaiCAR14183; CAR14183; ECUMN_3012.
GeneIDi7156241.
KEGGieum:ECUMN_3012.
PATRICi18445298. VBIEscCol32010_3189.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CU928163 Genomic DNA. Translation: CAR14183.1 .
RefSeqi YP_002413705.1. NC_011751.1.

3D structure databases

ProteinModelPortali B7N6S2.
SMRi B7N6S2. Positions 3-161.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 585056.ECUMN_3012.

Chemistry

BindingDBi B7N6S2.

Proteomic databases

PRIDEi B7N6S2.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAR14183 ; CAR14183 ; ECUMN_3012 .
GeneIDi 7156241.
KEGGi eum:ECUMN_3012.
PATRICi 18445298. VBIEscCol32010_3189.

Phylogenomic databases

eggNOGi COG1854.
HOGENOMi HOG000040371.
KOi K07173.
OMAi AWLASMN.
OrthoDBi EOG68WRBM.

Family and domain databases

Gene3Di 3.30.1360.80. 1 hit.
HAMAPi MF_00091. LuxS.
InterProi IPR011249. Metalloenz_LuxS/M16.
IPR003815. S-ribosylhomocysteinase.
[Graphical view ]
Pfami PF02664. LuxS. 1 hit.
[Graphical view ]
PIRSFi PIRSF006160. AI2. 1 hit.
PRINTSi PR01487. LUXSPROTEIN.
ProDomi PD013172. S-ribosylhomocysteinase. 1 hit.
[Graphical view ] [Entries sharing at least one domain ]
SUPFAMi SSF63411. SSF63411. 1 hit.
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: UMN026 / ExPEC.

Entry informationi

Entry nameiLUXS_ECOLU
AccessioniPrimary (citable) accession number: B7N6S2
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 14, 2009
Last sequence update: March 24, 2009
Last modified: May 14, 2014
This is version 35 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. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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