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B2RKU8

- LUXS_PORG3

UniProt

B2RKU8 - LUXS_PORG3

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Protein
S-ribosylhomocysteine lyase
Gene
luxS, PGN_1474
Organism
Porphyromonas gingivalis (strain ATCC 33277 / DSM 20709 / JCM 12257)
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 bindingi53 – 531Iron By similarity
Metal bindingi57 – 571Iron By similarity
Metal bindingi124 – 1241Iron 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

BioCyciPGIN431947:GC9J-1524-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:PGN_1474
OrganismiPorphyromonas gingivalis (strain ATCC 33277 / DSM 20709 / JCM 12257)
Taxonomic identifieri431947 [NCBI]
Taxonomic lineageiBacteriaBacteroidetesBacteroidiaBacteroidalesPorphyromonadaceaePorphyromonas
ProteomesiUP000008842: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 159159S-ribosylhomocysteine lyaseUniRule annotation
PRO_1000093318Add
BLAST

Interactioni

Subunit structurei

Homodimer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi431947.PGN_1474.

Family & Domainsi

Sequence similaritiesi

Belongs to the LuxS family.

Phylogenomic databases

eggNOGiCOG1854.
HOGENOMiHOG000040372.
KOiK07173.
OMAiDLISWLF.
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.

B2RKU8-1 [UniParc]FASTAAdd to Basket

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MEKIPSFQLD HIRLKRGIYV SRKDYIGGEV VTTFDIRMKE PNREPVLGAP    50
ELHTIEHLAA TYLRNHPLYK DRIVFWGPMG CLTGNYFLMR GNYVSKDILP 100
LMQETFRFIR DFEGEVPGTE PRDCGNCLLH NLPMAKYEAE KYLREVLDVA 150
TEENLNYPD 159
Length:159
Mass (Da):18,553
Last modified:July 1, 2008 - v1
Checksum:i276C9F1701C7ED95
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AP009380 Genomic DNA. Translation: BAG33993.1.
RefSeqiYP_001929590.1. NC_010729.1.

Genome annotation databases

EnsemblBacteriaiBAG33993; BAG33993; PGN_1474.
GeneIDi6329109.
KEGGipgn:PGN_1474.
PATRICi22975923. VBIPorGin26334_1455.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AP009380 Genomic DNA. Translation: BAG33993.1 .
RefSeqi YP_001929590.1. NC_010729.1.

3D structure databases

ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 431947.PGN_1474.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai BAG33993 ; BAG33993 ; PGN_1474 .
GeneIDi 6329109.
KEGGi pgn:PGN_1474.
PATRICi 22975923. VBIPorGin26334_1455.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci PGIN431947:GC9J-1524-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. "Determination of the genome sequence of Porphyromonas gingivalis strain ATCC 33277 and genomic comparison with strain W83 revealed extensive genome rearrangements in P. gingivalis."
    Naito M., Hirakawa H., Yamashita A., Ohara N., Shoji M., Yukitake H., Nakayama K., Toh H., Yoshimura F., Kuhara S., Hattori M., Hayashi T., Nakayama K.
    DNA Res. 15:215-225(2008) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 33277 / DSM 20709 / JCM 12257.

Entry informationi

Entry nameiLUXS_PORG3
AccessioniPrimary (citable) accession number: B2RKU8
Entry historyi
Integrated into UniProtKB/Swiss-Prot: March 24, 2009
Last sequence update: July 1, 2008
Last modified: May 14, 2014
This is version 39 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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