ID   REX_BACVZ               Reviewed;         215 AA.
AC   A7Z201;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 100.
DE   RecName: Full=Redox-sensing transcriptional repressor Rex {ECO:0000255|HAMAP-Rule:MF_01131};
GN   Name=rex {ECO:0000255|HAMAP-Rule:MF_01131}; OrderedLocusNames=RBAM_006420;
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: 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; CP000560; ABS73027.1; -; Genomic_DNA.
DR   RefSeq; WP_003155984.1; NC_009725.2.
DR   AlphaFoldDB; A7Z201; -.
DR   SMR; A7Z201; -.
DR   STRING; 326423.RBAM_006420; -.
DR   EnsemblBacteria; ABS73027; ABS73027; RBAM_006420.
DR   GeneID; 66327392; -.
DR   KEGG; bay:RBAM_006420; -.
DR   HOGENOM; CLU_061534_1_1_9; -.
DR   OMA; HEQRKAG; -.
DR   Proteomes; UP000001120; 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; Repressor; Transcription;
KW   Transcription regulation.
FT   CHAIN           1..215
FT                   /note="Redox-sensing transcriptional repressor Rex"
FT                   /id="PRO_1000065383"
FT   DNA_BIND        18..57
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01131"
FT   BINDING         92..97
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01131"
SQ   SEQUENCE   215 AA;  24041 MW;  6E1CD63161B8AD26 CRC64;
     MNKDQSKIPQ ATAKRLPLYY RFLKNLHASG KQRVSSAELS DAVKVDSATI RRDFSYFGAL
     GKKGYGYNVD YLLSFFRKTL DQDETTNVIL IGVGNLGTAF LHYNFTKNNN TKISMAFDVN
     QSKIGTEVGG VPVFDLNDLE LHIKDEPVAI LTVPAVAAQS ITDRLVSLGI KGILNFTPAR
     LNVPDHIRIH HIDLAVELQS LVYFLKHYSV LEEIE