REX_EXISA
ID REX_EXISA Reviewed; 218 AA.
AC C4L1I8;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 07-JUL-2009, sequence version 1.
DT 03-AUG-2022, entry version 75.
DE RecName: Full=Redox-sensing transcriptional repressor Rex {ECO:0000255|HAMAP-Rule:MF_01131};
GN Name=rex {ECO:0000255|HAMAP-Rule:MF_01131}; OrderedLocusNames=EAT1b_2097;
OS Exiguobacterium sp. (strain ATCC BAA-1283 / AT1b).
OC Bacteria; Firmicutes; Bacilli; Bacillales;
OC Bacillales Family XII. Incertae Sedis; Exiguobacterium;
OC unclassified Exiguobacterium.
OX NCBI_TaxID=360911;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1283 / AT1b;
RX PubMed=21460088; DOI=10.1128/jb.00303-11;
RA Vishnivetskaya T.A., Lucas S., Copeland A., Lapidus A., Glavina del Rio T.,
RA Dalin E., Tice H., Bruce D.C., Goodwin L.A., Pitluck S., Saunders E.,
RA Brettin T., Detter C., Han C., Larimer F., Land M.L., Hauser L.J.,
RA Kyrpides N.C., Ovchinnikova G., Kathariou S., Ramaley R.F., Rodrigues D.F.,
RA Hendrix C., Richardson P., Tiedje J.M.;
RT "Complete genome sequence of the Thermophilic Bacterium Exiguobacterium sp.
RT AT1b.";
RL J. Bacteriol. 193:2880-2881(2011).
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; CP001615; ACQ71020.1; -; Genomic_DNA.
DR RefSeq; WP_015880579.1; NZ_MOEL01000004.1.
DR AlphaFoldDB; C4L1I8; -.
DR SMR; C4L1I8; -.
DR STRING; 360911.EAT1b_2097; -.
DR EnsemblBacteria; ACQ71020; ACQ71020; EAT1b_2097.
DR KEGG; eat:EAT1b_2097; -.
DR eggNOG; COG2344; Bacteria.
DR HOGENOM; CLU_061534_1_1_9; -.
DR OMA; HEQRKAG; -.
DR OrthoDB; 1872374at2; -.
DR Proteomes; UP000000716; 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..218
FT /note="Redox-sensing transcriptional repressor Rex"
FT /id="PRO_1000213637"
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 218 AA; 24402 MW; E7DBFADD84391EA0 CRC64;
MSQNEPKIPQ ATAKRLPLYY RFIQSLHASG KQRVSSAELS EAVKVDSATI RRDFSYFGAL
GKKGYGYNVQ YLLDFFRKTL NQDEITNVAL VGVGHLGTAF VNYNFLKNNN THIVVGFDAD
ETKVGTTMSG VPIHHVDEME QIMKQNKIDV AILTVPSAYA QSVADDLVRF GIKGILNFTP
ARLTVPDTVR VHHIDLSIEL QSLIYFMQHY PTAEGVHQ