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B2U054

- LUXS_SHIB3

UniProt

B2U054 - LUXS_SHIB3

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Protein
S-ribosylhomocysteine lyase
Gene
luxS, SbBS512_E3189
Organism
Shigella boydii serotype 18 (strain CDC 3083-94 / BS512)
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. S-ribosylhomocysteine lyase activity Source: UniProtKB-HAMAP
  2. iron ion binding Source: InterPro
Complete GO annotation...

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

Enzyme and pathway databases

BioCyciSBOY344609:GI0O-3188-MONOMER.

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:SbBS512_E3189
OrganismiShigella boydii serotype 18 (strain CDC 3083-94 / BS512)
Taxonomic identifieri344609 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeShigella
ProteomesiUP000001030: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 171171S-ribosylhomocysteine lyaseUniRule annotation
PRO_1000093329Add
BLAST

Proteomic databases

PRIDEiB2U054.

Interactioni

Subunit structurei

Homodimer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi344609.SbBS512_E3189.

Structurei

3D structure databases

ProteinModelPortaliB2U054.
SMRiB2U054. 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.

B2U054-1 [UniParc]FASTAAdd to Basket

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MPLLDSFTVD HTRMEAPAVR VAKTMNTPHG DAITVFDLRF CVPNKEVMPE    50
RGSHTLEHLF AGFMRNHLNG NGVEIIDISP MGCRTGFYMS LIGTPDEQRV 100
ADAWKAAMED VLKVQDQNQI PELNVYQCGT YQMHSLQEAQ DIARSILERD 150
VRINSNEELA LPKEKLQELH I 171
Length:171
Mass (Da):19,390
Last modified:July 1, 2008 - v1
Checksum:i191F57F19C6DAAC2
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP001063 Genomic DNA. Translation: ACD07481.1.
RefSeqiYP_001881559.1. NC_010658.1.

Genome annotation databases

EnsemblBacteriaiACD07481; ACD07481; SbBS512_E3189.
GeneIDi6270121.
KEGGisbc:SbBS512_E3189.
PATRICi18673549. VBIShiBoy129590_3512.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP001063 Genomic DNA. Translation: ACD07481.1 .
RefSeqi YP_001881559.1. NC_010658.1.

3D structure databases

ProteinModelPortali B2U054.
SMRi B2U054. Positions 3-161.
ModBasei Search...

Protein-protein interaction databases

STRINGi 344609.SbBS512_E3189.

Proteomic databases

PRIDEi B2U054.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ACD07481 ; ACD07481 ; SbBS512_E3189 .
GeneIDi 6270121.
KEGGi sbc:SbBS512_E3189.
PATRICi 18673549. VBIShiBoy129590_3512.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci SBOY344609:GI0O-3188-MONOMER.

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. "Complete sequence of Shigella boydii serotype 18 strain BS512."
    Rasko D.A., Rosovitz M., Maurelli A.T., Myers G., Seshadri R., Cer R., Jiang L., Ravel J., Sebastian Y.
    Submitted (MAY-2008) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: CDC 3083-94 / BS512.

Entry informationi

Entry nameiLUXS_SHIB3
AccessioniPrimary (citable) accession number: B2U054
Entry historyi
Integrated into UniProtKB/Swiss-Prot: March 24, 2009
Last sequence update: July 1, 2008
Last modified: May 14, 2014
This is version 41 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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