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Q9K7K8

- LUXS_BACHD

UniProt

Q9K7K8 - LUXS_BACHD

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Protein

S-ribosylhomocysteine lyase

Gene

luxS

Organism
Bacillus halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125)
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 bindingi54 – 541IronUniRule annotation
Metal bindingi58 – 581IronUniRule annotation
Metal bindingi126 – 1261IronUniRule 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

BioCyciBHAL272558:GJC5-3453-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:BH3353
OrganismiBacillus halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125)
Taxonomic identifieri272558 [NCBI]
Taxonomic lineageiBacteriaFirmicutesBacilliBacillalesBacillaceaeBacillus
ProteomesiUP000001258: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 158158S-ribosylhomocysteine lyasePRO_0000172208Add
BLAST

Interactioni

Subunit structurei

Homodimer.UniRule annotation

Protein-protein interaction databases

STRINGi272558.BH3353.

Structurei

3D structure databases

ProteinModelPortaliQ9K7K8.
SMRiQ9K7K8. Positions 4-156.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the LuxS family.UniRule annotation

Phylogenomic databases

eggNOGiCOG1854.
HOGENOMiHOG000040372.
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.

Q9K7K8-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MPTVESFELD HTIVKAPFVR PCGTHKVGTN GEVNKFDIRF FQPNKQAMKP
60 70 80 90 100
DVIHTLEHLL ALNIRKFAEA YDHFDVIDLS PMGCQTGFYL IMSGKPTVEE
110 120 130 140 150
IIDVLEQTMK YSLELEEVPA ANEKQCGQAK LHDLDGAKKL MTYWLSHEKD

SLTKVFES
Length:158
Mass (Da):17,986
Last modified:October 1, 2000 - v1
Checksum:i68101401BA079300
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
BA000004 Genomic DNA. Translation: BAB07072.1.
PIRiA84069.
RefSeqiNP_244219.1. NC_002570.2.
WP_010899494.1. NC_002570.2.

Genome annotation databases

EnsemblBacteriaiBAB07072; BAB07072; BAB07072.
GeneIDi890843.
KEGGibha:BH3353.
PATRICi18943980. VBIBacHal18977_3488.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
BA000004 Genomic DNA. Translation: BAB07072.1 .
PIRi A84069.
RefSeqi NP_244219.1. NC_002570.2.
WP_010899494.1. NC_002570.2.

3D structure databases

ProteinModelPortali Q9K7K8.
SMRi Q9K7K8. Positions 4-156.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 272558.BH3353.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai BAB07072 ; BAB07072 ; BAB07072 .
GeneIDi 890843.
KEGGi bha:BH3353.
PATRICi 18943980. VBIBacHal18977_3488.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci BHAL272558:GJC5-3453-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 the alkaliphilic bacterium Bacillus halodurans and genomic sequence comparison with Bacillus subtilis."
    Takami H., Nakasone K., Takaki Y., Maeno G., Sasaki R., Masui N., Fuji F., Hirama C., Nakamura Y., Ogasawara N., Kuhara S., Horikoshi K.
    Nucleic Acids Res. 28:4317-4331(2000) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125.

Entry informationi

Entry nameiLUXS_BACHD
AccessioniPrimary (citable) accession number: Q9K7K8
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 23, 2002
Last sequence update: October 1, 2000
Last modified: October 29, 2014
This is version 76 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, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3