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B1I959

- LUXS_STRPI

UniProt

B1I959 - LUXS_STRPI

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Protein

S-ribosylhomocysteine lyase

Gene

luxS

Organism
Streptococcus pneumoniae (strain Hungary19A-6)
Status
Reviewed - Annotation score: 2 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).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.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi57 – 571IronUniRule annotation
Metal bindingi61 – 611IronUniRule annotation
Metal bindingi127 – 1271IronUniRule annotation

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

Enzyme and pathway databases

BioCyciSPNE487214:GHY0-443-MONOMER.

Names & Taxonomyi

Protein namesi
Recommended name:
S-ribosylhomocysteine lyaseUniRule annotation (EC:4.4.1.21UniRule annotation)
Alternative name(s):
AI-2 synthesis proteinUniRule annotation
Autoinducer-2 production protein LuxSUniRule annotation
Gene namesi
Name:luxSUniRule annotation
Ordered Locus Names:SPH_0450
OrganismiStreptococcus pneumoniae (strain Hungary19A-6)
Taxonomic identifieri487214 [NCBI]
Taxonomic lineageiBacteriaFirmicutesBacilliLactobacillalesStreptococcaceaeStreptococcus
ProteomesiUP000002163: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 160160S-ribosylhomocysteine lyasePRO_1000093331Add
BLAST

Interactioni

Subunit structurei

Homodimer.UniRule annotation

Protein-protein interaction databases

STRINGi487214.SPH_0450.

Structurei

3D structure databases

ProteinModelPortaliB1I959.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the LuxS family.UniRule annotation

Phylogenomic databases

eggNOGiCOG1854.
HOGENOMiHOG000040372.
KOiK07173.
OMAiKWEDVPG.
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.

B1I959-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MSKEVIVESF ELDHTIVKAP YVRLIGEETG PKGDIISNYD IRLVQPNEDS
60 70 80 90 100
IPTAGLHTIE HLLAKLIRTR IDGMIDCSPF GCRTGFHMIM WGRHTSAKIA
110 120 130 140 150
AVIKDSLKEI AETTTWEDVP GTTIESCGNY KDHSLFSAKE WAKLILEQGI
160
SDDAFERHVI
Length:160
Mass (Da):17,923
Last modified:April 29, 2008 - v1
Checksum:i4992A6E764A4D324
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000936 Genomic DNA. Translation: ACA36718.1.
RefSeqiYP_001693860.1. NC_010380.1.

Genome annotation databases

EnsemblBacteriaiACA36718; ACA36718; SPH_0450.
GeneIDi6029035.
KEGGispv:SPH_0450.
PATRICi19690986. VBIStrPne34925_0447.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000936 Genomic DNA. Translation: ACA36718.1 .
RefSeqi YP_001693860.1. NC_010380.1.

3D structure databases

ProteinModelPortali B1I959.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 487214.SPH_0450.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ACA36718 ; ACA36718 ; SPH_0450 .
GeneIDi 6029035.
KEGGi spv:SPH_0450.
PATRICi 19690986. VBIStrPne34925_0447.

Phylogenomic databases

eggNOGi COG1854.
HOGENOMi HOG000040372.
KOi K07173.
OMAi KWEDVPG.
OrthoDBi EOG68WRBM.

Enzyme and pathway databases

BioCyci SPNE487214:GHY0-443-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 Streptococcus pneumoniae strain Hungary 19A-6."
    Hotopp J.D., Censini S., Masignani V., Covacci A., Tettelin H.
    Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: Hungary19A-6.

Entry informationi

Entry nameiLUXS_STRPI
AccessioniPrimary (citable) accession number: B1I959
Entry historyi
Integrated into UniProtKB/Swiss-Prot: March 24, 2009
Last sequence update: April 29, 2008
Last modified: October 1, 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