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LUXS_BACVZ
ID   LUXS_BACVZ              Reviewed;         157 AA.
AC   A7Z800;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 87.
DE   RecName: Full=S-ribosylhomocysteine lyase {ECO:0000255|HAMAP-Rule:MF_00091};
DE            EC=4.4.1.21 {ECO:0000255|HAMAP-Rule:MF_00091};
DE   AltName: Full=AI-2 synthesis protein {ECO:0000255|HAMAP-Rule:MF_00091};
DE   AltName: Full=Autoinducer-2 production protein LuxS {ECO:0000255|HAMAP-Rule:MF_00091};
GN   Name=luxS {ECO:0000255|HAMAP-Rule:MF_00091}; OrderedLocusNames=RBAM_027680;
OS   Bacillus velezensis (strain DSM 23117 / BGSC 10A6 / LMG 26770 / FZB42)
OS   (Bacillus amyloliquefaciens subsp. plantarum).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus amyloliquefaciens group.
OX   NCBI_TaxID=326423;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 23117 / BGSC 10A6 / LMG 26770 / FZB42;
RX   PubMed=17704766; DOI=10.1038/nbt1325;
RA   Chen X.H., Koumoutsi A., Scholz R., Eisenreich A., Schneider K.,
RA   Heinemeyer I., Morgenstern B., Voss B., Hess W.R., Reva O., Junge H.,
RA   Voigt B., Jungblut P.R., Vater J., Suessmuth R., Liesegang H.,
RA   Strittmatter A., Gottschalk G., Borriss R.;
RT   "Comparative analysis of the complete genome sequence of the plant growth-
RT   promoting bacterium Bacillus amyloliquefaciens FZB42.";
RL   Nat. Biotechnol. 25:1007-1014(2007).
CC   -!- FUNCTION: Involved in the synthesis of autoinducer 2 (AI-2) which is
CC       secreted by bacteria and is used to communicate both the cell density
CC       and the metabolic potential of the environment. The regulation of gene
CC       expression in response to changes in cell density is called quorum
CC       sensing. Catalyzes the transformation of S-ribosylhomocysteine (RHC) to
CC       homocysteine (HC) and 4,5-dihydroxy-2,3-pentadione (DPD).
CC       {ECO:0000255|HAMAP-Rule:MF_00091}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=S-(5-deoxy-D-ribos-5-yl)-L-homocysteine = (S)-4,5-
CC         dihydroxypentane-2,3-dione + L-homocysteine; Xref=Rhea:RHEA:17753,
CC         ChEBI:CHEBI:29484, ChEBI:CHEBI:58195, ChEBI:CHEBI:58199; EC=4.4.1.21;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00091};
CC   -!- COFACTOR:
CC       Name=Fe cation; Xref=ChEBI:CHEBI:24875;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00091};
CC       Note=Binds 1 Fe cation per subunit. {ECO:0000255|HAMAP-Rule:MF_00091};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00091}.
CC   -!- SIMILARITY: Belongs to the LuxS family. {ECO:0000255|HAMAP-
CC       Rule:MF_00091}.
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DR   EMBL; CP000560; ABS75126.1; -; Genomic_DNA.
DR   RefSeq; WP_003152237.1; NC_009725.2.
DR   AlphaFoldDB; A7Z800; -.
DR   SMR; A7Z800; -.
DR   STRING; 326423.RBAM_027680; -.
DR   EnsemblBacteria; ABS75126; ABS75126; RBAM_027680.
DR   GeneID; 66325242; -.
DR   KEGG; bay:RBAM_027680; -.
DR   HOGENOM; CLU_107531_2_0_9; -.
DR   OMA; GPMGCLT; -.
DR   Proteomes; UP000001120; Chromosome.
DR   GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR   GO; GO:0043768; F:S-ribosylhomocysteine lyase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0009372; P:quorum sensing; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.30.1360.80; -; 1.
DR   HAMAP; MF_00091; LuxS; 1.
DR   InterPro; IPR037005; LuxS_sf.
DR   InterPro; IPR011249; Metalloenz_LuxS/M16.
DR   InterPro; IPR003815; S-ribosylhomocysteinase.
DR   PANTHER; PTHR35799; PTHR35799; 1.
DR   Pfam; PF02664; LuxS; 1.
DR   PIRSF; PIRSF006160; AI2; 1.
DR   PRINTS; PR01487; LUXSPROTEIN.
DR   SUPFAM; SSF63411; SSF63411; 1.
PE   3: Inferred from homology;
KW   Autoinducer synthesis; Iron; Lyase; Metal-binding; Quorum sensing.
FT   CHAIN           1..157
FT                   /note="S-ribosylhomocysteine lyase"
FT                   /id="PRO_1000004836"
FT   BINDING         54
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00091"
FT   BINDING         58
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00091"
FT   BINDING         126
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00091"
SQ   SEQUENCE   157 AA;  17696 MW;  D881E19984E730FF CRC64;
     MPSVESFELD HNAVVAPYVR HCGVHKVGTD GVVNKFDIRF CQPNKQAMKP DTIHTLEHLL
     AFTIRTHSEK YDHFDIIDIS PMGCQTGYYL VVSGEPTAEE IVDLLDATLK EAIDITEIPA
     ANEKQCGQAK LHDLEGAKRL MRFWLSQDKE DLLKVFG
 
 
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