REX_CLOK5
ID REX_CLOK5 Reviewed; 210 AA.
AC A5N5C6;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 10-JUL-2007, sequence version 1.
DT 03-AUG-2022, entry version 82.
DE RecName: Full=Redox-sensing transcriptional repressor Rex {ECO:0000255|HAMAP-Rule:MF_01131};
GN Name=rex {ECO:0000255|HAMAP-Rule:MF_01131}; OrderedLocusNames=CKL_0453;
OS Clostridium kluyveri (strain ATCC 8527 / DSM 555 / NCIMB 10680).
OC Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC Clostridium.
OX NCBI_TaxID=431943;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 8527 / DSM 555 / NCIMB 10680;
RX PubMed=18218779; DOI=10.1073/pnas.0711093105;
RA Seedorf H., Fricke W.F., Veith B., Brueggemann H., Liesegang H.,
RA Strittmatter A., Miethke M., Buckel W., Hinderberger J., Li F.,
RA Hagemeier C., Thauer R.K., Gottschalk G.;
RT "The genome of Clostridium kluyveri, a strict anaerobe with unique
RT metabolic features.";
RL Proc. Natl. Acad. Sci. U.S.A. 105:2128-2133(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; CP000673; EDK32507.1; -; Genomic_DNA.
DR RefSeq; WP_011989022.1; NC_009706.1.
DR AlphaFoldDB; A5N5C6; -.
DR SMR; A5N5C6; -.
DR STRING; 431943.CKL_0453; -.
DR EnsemblBacteria; EDK32507; EDK32507; CKL_0453.
DR KEGG; ckl:CKL_0453; -.
DR eggNOG; COG2344; Bacteria.
DR HOGENOM; CLU_061534_1_0_9; -.
DR OMA; SQVRQDF; -.
DR OrthoDB; 1872374at2; -.
DR Proteomes; UP000002411; 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..210
FT /note="Redox-sensing transcriptional repressor Rex"
FT /id="PRO_1000085024"
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 210 AA; 23639 MW; 57CA88E0C5075A77 CRC64;
MDKKKDISMS VIKRLPKYHR YLGNLMRNDV DRISSKELSE KIGFTASQIR QDLNCFGDFG
QQGYGYNVSE LYSQMCNILG LTKVYRTVII GAGNIGQAIS NYIGFEKLGF ELRAIFDINP
KLIGISIRDI EIRDIDYLGD YLRENVIDIG IICVPSNNGQ KVCNILVKNG VKGIWNFAPV
DLIVPEDVKV ENVHLSDSLL TLSCLLNDIE