ID   REX_STACT               Reviewed;         214 AA.
AC   B9DMK9;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 86.
DE   RecName: Full=Redox-sensing transcriptional repressor Rex {ECO:0000255|HAMAP-Rule:MF_01131};
GN   Name=rex {ECO:0000255|HAMAP-Rule:MF_01131}; OrderedLocusNames=Sca_1553;
OS   Staphylococcus carnosus (strain TM300).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=396513;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TM300;
RX   PubMed=19060169; DOI=10.1128/aem.01982-08;
RA   Rosenstein R., Nerz C., Biswas L., Resch A., Raddatz G., Schuster S.C.,
RA   Goetz F.;
RT   "Genome analysis of the meat starter culture bacterium Staphylococcus
RT   carnosus TM300.";
RL   Appl. Environ. Microbiol. 75:811-822(2009).
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; AM295250; CAL28458.1; -; Genomic_DNA.
DR   RefSeq; WP_015900798.1; NC_012121.1.
DR   AlphaFoldDB; B9DMK9; -.
DR   SMR; B9DMK9; -.
DR   STRING; 396513.SCA_1553; -.
DR   GeneID; 60544739; -.
DR   KEGG; sca:SCA_1553; -.
DR   eggNOG; COG2344; Bacteria.
DR   HOGENOM; CLU_061534_1_1_9; -.
DR   OMA; HEQRKAG; -.
DR   OrthoDB; 1872374at2; -.
DR   BioCyc; SCAR396513:SCA_RS07870-MON; -.
DR   Proteomes; UP000000444; 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..214
FT                   /note="Redox-sensing transcriptional repressor Rex"
FT                   /id="PRO_1000164084"
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   214 AA;  23753 MW;  B11C7DBCB6497C31 CRC64;
     MSNQKNNIPR ATLKRLPLYY RLVNQLHEKG IDRVNSKTIS EALDIDSASI RRDFSYFGEL
     GKKGYGYNVE SLLEFFKSKI SESDTIKIGL VGVGNLGKAL LSYNFSIHDE MVITEAFDIR
     DDIVGTKVGK VIVNKMEDLQ SILKSAELDV VILTTPGSAA QEAADQIVDS GVKGILNFTP
     TRINVPDDVS VHQIDLGIEL QSLLFFMNNL RNSN