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A7I0U3

- LUXS_CAMHC

UniProt

A7I0U3 - LUXS_CAMHC

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Protein
S-ribosylhomocysteine lyase
Gene
luxS, CHAB381_0546
Organism
Campylobacter hominis (strain ATCC BAA-381 / LMG 19568 / NCTC 13146 / CH001A)
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

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

BioCyciCHOM360107:GHCX-551-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:CHAB381_0546
OrganismiCampylobacter hominis (strain ATCC BAA-381 / LMG 19568 / NCTC 13146 / CH001A)
Taxonomic identifieri360107 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaEpsilonproteobacteriaCampylobacteralesCampylobacteraceaeCampylobacter
ProteomesiUP000002407: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 164164S-ribosylhomocysteine lyaseUniRule annotation
PRO_1000004840Add
BLAST

Interactioni

Subunit structurei

Homodimer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi360107.CHAB381_0546.

Structurei

3D structure databases

ProteinModelPortaliA7I0U3.
SMRiA7I0U3. Positions 3-163.

Family & Domainsi

Sequence similaritiesi

Belongs to the LuxS family.

Phylogenomic databases

eggNOGiCOG1854.
HOGENOMiHOG000040371.
KOiK07173.
OMAiRDHLNSD.
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.

A7I0U3-1 [UniParc]FASTAAdd to Basket

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MPLLDSFKVD HTKMKAPGVR LAKVMQTPKG DNISVFDLRF CRPNHEIMSE    50
KGTHTLEHLF AGFMREHLNS KDVEIIDISP MGCRTGFYMS LIGRPSETEV 100
IKAFENSMKD VLKVTSQDDI PELNKFQCGS YKMHSLSEAK EIAQNVLNKG 150
ICIIKNDEIK LENF 164
Length:164
Mass (Da):18,649
Last modified:September 11, 2007 - v1
Checksum:iC95E4E08349109C4
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000776 Genomic DNA. Translation: ABS51373.1.
RefSeqiYP_001406134.1. NC_009714.1.

Genome annotation databases

EnsemblBacteriaiABS51373; ABS51373; CHAB381_0546.
GeneIDi5408118.
KEGGicha:CHAB381_0546.
PATRICi20039248. VBICamHom81367_0527.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000776 Genomic DNA. Translation: ABS51373.1 .
RefSeqi YP_001406134.1. NC_009714.1.

3D structure databases

ProteinModelPortali A7I0U3.
SMRi A7I0U3. Positions 3-163.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 360107.CHAB381_0546.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABS51373 ; ABS51373 ; CHAB381_0546 .
GeneIDi 5408118.
KEGGi cha:CHAB381_0546.
PATRICi 20039248. VBICamHom81367_0527.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci CHOM360107:GHCX-551-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 genome sequence of Campylobacter hominis ATCC BAA-381, a commensal isolated from the human gastrointestinal tract."
    Fouts D.E., Mongodin E.F., Puiu D., Sebastian Y., Miller W.G., Mandrell R.E., Nelson K.E.
    Submitted (JUL-2007) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC BAA-381 / LMG 19568 / NCTC 13146 / CH001A.

Entry informationi

Entry nameiLUXS_CAMHC
AccessioniPrimary (citable) accession number: A7I0U3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: September 11, 2007
Last modified: May 14, 2014
This is version 42 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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