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Protein

S-ribosylhomocysteine lyase

Gene

luxS

Organism
Staphylococcus aureus (strain Mu50 / ATCC 700699)
Status
Reviewed-Annotation score: -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

Fe cationUniRule annotationNote: Binds 1 Fe cation per subunit.UniRule annotation

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi56IronUniRule annotation1
Metal bindingi60IronUniRule annotation1
Metal bindingi123IronUniRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionLyase
Biological processAutoinducer synthesis, Quorum sensing
LigandIron, Metal-binding

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:SAV2134
OrganismiStaphylococcus aureus (strain Mu50 / ATCC 700699)
Taxonomic identifieri158878 [NCBI]
Taxonomic lineageiBacteriaFirmicutesBacilliBacillalesStaphylococcaceaeStaphylococcus
Proteomesi
  • UP000002481 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001722541 – 156S-ribosylhomocysteine lyaseAdd BLAST156

Proteomic databases

PaxDbiP65329
PRIDEiP65329

2D gel databases

World-2DPAGEi0002:P65329

Interactioni

Subunit structurei

Homodimer.UniRule annotation

Protein-protein interaction databases

STRINGi158878.SAV2134

Structurei

3D structure databases

ProteinModelPortaliP65329
SMRiP65329
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the LuxS family.UniRule annotation

Phylogenomic databases

eggNOGiENOG4106762 Bacteria
COG1854 LUCA
HOGENOMiHOG000040372
KOiK07173
OMAiAIHTLEH
PhylomeDBiP65329

Family and domain databases

Gene3Di3.30.1360.80, 1 hit
HAMAPiMF_00091 LuxS, 1 hit
InterProiView protein in InterPro
IPR037005 LuxS_sf
IPR011249 Metalloenz_LuxS/M16
IPR003815 S-ribosylhomocysteinase
PANTHERiPTHR35799 PTHR35799, 1 hit
PfamiView protein in Pfam
PF02664 LuxS, 1 hit
PIRSFiPIRSF006160 AI2, 1 hit
PRINTSiPR01487 LUXSPROTEIN
ProDomiView protein in ProDom or Entries sharing at least one domain
PD013172 S-ribosylhomocysteinase, 1 hit
SUPFAMiSSF63411 SSF63411, 1 hit

Sequencei

Sequence statusi: Complete.

P65329-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MTKMNVESFN LDHTKVVAPF IRLAGTMEGL NGDVIHKYDI RFKQPNKEHM
60 70 80 90 100
DMPGLHSLEH LMAENIRNHS DKVVDLSPMG CQTGFYVSFI NHDNYDDVLN
110 120 130 140 150
IVEATLNDVL NATEVPACNE VQCGWAASHS LEGAKTIAQA FLDKRNEWHD

VFGTGK
Length:156
Mass (Da):17,514
Last modified:October 11, 2004 - v1
Checksum:iCC19EAE44C14C248
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BA000017 Genomic DNA Translation: BAB58296.1
RefSeqiWP_000164421.1, NC_002758.2

Genome annotation databases

EnsemblBacteriaiBAB58296; BAB58296; SAV2134
KEGGisav:SAV2134

Similar proteinsi

Entry informationi

Entry nameiLUXS_STAAM
AccessioniPrimary (citable) accession number: P65329
Secondary accession number(s): Q99SC5
Entry historyiIntegrated into UniProtKB/Swiss-Prot: October 11, 2004
Last sequence update: October 11, 2004
Last modified: March 28, 2018
This is version 75 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome
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Main funding by: National Institutes of Health