ID   REX_LYSSC               Reviewed;         211 AA.
AC   B1HT11;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   29-APR-2008, sequence version 1.
DT   03-AUG-2022, entry version 94.
DE   RecName: Full=Redox-sensing transcriptional repressor Rex {ECO:0000255|HAMAP-Rule:MF_01131};
GN   Name=rex {ECO:0000255|HAMAP-Rule:MF_01131}; OrderedLocusNames=Bsph_0129;
OS   Lysinibacillus sphaericus (strain C3-41).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Lysinibacillus.
OX   NCBI_TaxID=444177;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=C3-41;
RX   PubMed=18296527; DOI=10.1128/jb.01652-07;
RA   Hu X., Fan W., Han B., Liu H., Zheng D., Li Q., Dong W., Yan J., Gao M.,
RA   Berry C., Yuan Z.;
RT   "Complete genome sequence of the mosquitocidal bacterium Bacillus
RT   sphaericus C3-41 and comparison with those of closely related Bacillus
RT   species.";
RL   J. Bacteriol. 190:2892-2902(2008).
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; CP000817; ACA37765.1; -; Genomic_DNA.
DR   RefSeq; WP_012291935.1; NC_010382.1.
DR   AlphaFoldDB; B1HT11; -.
DR   SMR; B1HT11; -.
DR   EnsemblBacteria; ACA37765; ACA37765; Bsph_0129.
DR   GeneID; 29440752; -.
DR   KEGG; lsp:Bsph_0129; -.
DR   HOGENOM; CLU_061534_1_1_9; -.
DR   OMA; HEQRKAG; -.
DR   Proteomes; UP000002164; 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..211
FT                   /note="Redox-sensing transcriptional repressor Rex"
FT                   /id="PRO_1000164083"
FT   DNA_BIND        17..56
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01131"
FT   BINDING         91..96
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01131"
SQ   SEQUENCE   211 AA;  23874 MW;  8F7644535DE969BB CRC64;
     MKQELKIPQA TTKRLPLYYR FIQNFAQEGM ERISSKELSE AMKIDSATIR RDFSYFGALG
     KKGYGYDVQH LLQFFSQTLD QHETTKVALI GVGNLGSALL KYNFQKNHNT HIVVAFDSKA
     PKDGKMISNI PVFHPDLLEE KYAEYGAELA ILTVSPRSAQ KMADRLAAMN AKGILNFTPE
     RLTVPDSMQL LTIDLSVELQ ALIYLIRNQE V