ID   REX_LACPL               Reviewed;         225 AA.
AC   Q88YM8; F9ULV6;
DT   16-FEB-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 105.
DE   RecName: Full=Redox-sensing transcriptional repressor Rex {ECO:0000255|HAMAP-Rule:MF_01131};
GN   Name=rex {ECO:0000255|HAMAP-Rule:MF_01131}; OrderedLocusNames=lp_0725;
OS   Lactiplantibacillus plantarum (strain ATCC BAA-793 / NCIMB 8826 / WCFS1)
OS   (Lactobacillus plantarum).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC   Lactiplantibacillus.
OX   NCBI_TaxID=220668;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-793 / NCIMB 8826 / WCFS1;
RX   PubMed=12566566; DOI=10.1073/pnas.0337704100;
RA   Kleerebezem M., Boekhorst J., van Kranenburg R., Molenaar D., Kuipers O.P.,
RA   Leer R., Tarchini R., Peters S.A., Sandbrink H.M., Fiers M.W.E.J.,
RA   Stiekema W., Klein Lankhorst R.M., Bron P.A., Hoffer S.M.,
RA   Nierop Groot M.N., Kerkhoven R., De Vries M., Ursing B., De Vos W.M.,
RA   Siezen R.J.;
RT   "Complete genome sequence of Lactobacillus plantarum WCFS1.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:1990-1995(2003).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], AND GENOME REANNOTATION.
RC   STRAIN=ATCC BAA-793 / NCIMB 8826 / WCFS1;
RX   PubMed=22156394; DOI=10.1128/jb.06275-11;
RA   Siezen R.J., Francke C., Renckens B., Boekhorst J., Wels M.,
RA   Kleerebezem M., van Hijum S.A.;
RT   "Complete resequencing and reannotation of the Lactobacillus plantarum
RT   WCFS1 genome.";
RL   J. Bacteriol. 194:195-196(2012).
CC   -!- FUNCTION: Modulates transcription in response to changes in cellular
CC       NADH/NAD(+) redox state. {ECO:0000255|HAMAP-Rule:MF_01131}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01131}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01131}.
CC   -!- SIMILARITY: Belongs to the transcriptional regulatory Rex family.
CC       {ECO:0000255|HAMAP-Rule:MF_01131}.
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DR   EMBL; AL935263; CCC78195.1; -; Genomic_DNA.
DR   RefSeq; WP_003640983.1; NC_004567.2.
DR   RefSeq; YP_004888709.1; NC_004567.2.
DR   AlphaFoldDB; Q88YM8; -.
DR   SMR; Q88YM8; -.
DR   STRING; 220668.lp_0725; -.
DR   EnsemblBacteria; CCC78195; CCC78195; lp_0725.
DR   GeneID; 57024430; -.
DR   GeneID; 66448698; -.
DR   KEGG; lpl:lp_0725; -.
DR   PATRIC; fig|220668.9.peg.610; -.
DR   eggNOG; COG2344; Bacteria.
DR   HOGENOM; CLU_061534_1_1_9; -.
DR   OMA; HEQRKAG; -.
DR   PhylomeDB; Q88YM8; -.
DR   BioCyc; LPLA220668:G1GW0-630-MON; -.
DR   Proteomes; UP000000432; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003700; F:DNA-binding transcription factor activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0045892; P:negative regulation of transcription, DNA-templated; IEA:InterPro.
DR   GO; GO:0051775; P:response to redox state; IEA:InterPro.
DR   Gene3D; 1.10.10.10; -; 1.
DR   HAMAP; MF_01131; Rex; 1.
DR   InterPro; IPR003781; CoA-bd.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   InterPro; IPR009718; Rex_DNA-bd_C_dom.
DR   InterPro; IPR022876; Tscrpt_rep_Rex.
DR   InterPro; IPR036388; WH-like_DNA-bd_sf.
DR   InterPro; IPR036390; WH_DNA-bd_sf.
DR   PANTHER; PTHR35786; PTHR35786; 1.
DR   Pfam; PF02629; CoA_binding; 1.
DR   Pfam; PF06971; Put_DNA-bind_N; 1.
DR   SMART; SM00881; CoA_binding; 1.
DR   SUPFAM; SSF46785; SSF46785; 1.
DR   SUPFAM; SSF51735; SSF51735; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; DNA-binding; NAD; Reference proteome; Repressor; Transcription;
KW   Transcription regulation.
FT   CHAIN           1..225
FT                   /note="Redox-sensing transcriptional repressor Rex"
FT                   /id="PRO_0000097895"
FT   DNA_BIND        16..55
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01131"
FT   BINDING         90..95
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01131"
SQ   SEQUENCE   225 AA;  25214 MW;  70F95416513EDA89 CRC64;
     MAETKIPRAT AKRLPIYYRY LNILLDADKK RVSSTELSEA VKVDSATIRR DFSYFGALGK
     RGYGYDVETL LAFFKKILNQ DTLTNVALIG VGNLGHALLN FNFHKNSNVR ISAAFDVNEA
     IANTVQSGVP VYPMTELKKQ LIEQQIEIAI LTVPTTVVQK ITDDLVDANV KGIMNFTPLR
     ISVPETVRVQ NVDLTNELQT LIYFIEHYGQ QLGDNGNDDE NETED