ID E0RT78_SPITD Unreviewed; 211 AA.
AC E0RT78;
DT 02-NOV-2010, integrated into UniProtKB/TrEMBL.
DT 02-NOV-2010, sequence version 1.
DT 27-MAR-2024, entry version 71.
DE RecName: Full=Redox-sensing transcriptional repressor Rex {ECO:0000256|HAMAP-Rule:MF_01131};
GN Name=rex {ECO:0000256|HAMAP-Rule:MF_01131};
GN OrderedLocusNames=STHERM_c14340 {ECO:0000313|EMBL:ADN02374.1};
OS Spirochaeta thermophila (strain ATCC 49972 / DSM 6192 / RI 19.B1).
OC Bacteria; Spirochaetota; Spirochaetia; Spirochaetales; Spirochaetaceae;
OC Spirochaeta.
OX NCBI_TaxID=665571 {ECO:0000313|EMBL:ADN02374.1, ECO:0000313|Proteomes:UP000001296};
RN [1]
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=DSM 6192;
RA Angelov A., Mientus M., Wittenberg S., Lehmann R., Liesegang H., Daniel R.,
RA Liebl W.;
RT "The genome sequence of Spirochaeta thermophila DSM6192.";
RL Submitted (AUG-2009) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ADN02374.1, ECO:0000313|Proteomes:UP000001296}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 49972 / DSM 6192 / RI 19.B1
RC {ECO:0000313|Proteomes:UP000001296};
RX PubMed=20935097; DOI=10.1128/JB.01023-10;
RA Angelov A., Liebl S., Ballschmiter M., Bomeke M., Lehmann R., Liesegang H.,
RA Daniel R., Liebl W.;
RT "Genome sequence of the polysaccharide-degrading, thermophilic anaerobe
RT Spirochaeta thermophila DSM 6192.";
RL J. Bacteriol. 192:6492-6493(2010).
CC -!- FUNCTION: Modulates transcription in response to changes in cellular
CC NADH/NAD(+) redox state. {ECO:0000256|HAMAP-Rule:MF_01131}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01131}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01131}.
CC -!- SIMILARITY: Belongs to the transcriptional regulatory Rex family.
CC {ECO:0000256|HAMAP-Rule:MF_01131}.
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DR EMBL; CP001698; ADN02374.1; -; Genomic_DNA.
DR RefSeq; WP_013314214.1; NC_014484.1.
DR AlphaFoldDB; E0RT78; -.
DR PaxDb; 665571-STHERM_c14340; -.
DR KEGG; sta:STHERM_c14340; -.
DR eggNOG; COG2344; Bacteria.
DR HOGENOM; CLU_061534_1_0_12; -.
DR Proteomes; UP000001296; 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 DNA-templated transcription; IEA:InterPro.
DR GO; GO:0051775; P:response to redox state; IEA:InterPro.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR Gene3D; 1.10.10.10; Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain; 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; REDOX-SENSING TRANSCRIPTIONAL REPRESSOR REX; 1.
DR PANTHER; PTHR35786:SF1; REDOX-SENSING TRANSCRIPTIONAL REPRESSOR REX; 1.
DR Pfam; PF02629; CoA_binding; 1.
DR Pfam; PF06971; Put_DNA-bind_N; 1.
DR SMART; SM00881; CoA_binding; 1.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
DR SUPFAM; SSF46785; Winged helix' DNA-binding domain; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01131};
KW DNA-binding {ECO:0000256|ARBA:ARBA00023125, ECO:0000256|HAMAP-
KW Rule:MF_01131}; NAD {ECO:0000256|HAMAP-Rule:MF_01131};
KW Repressor {ECO:0000256|ARBA:ARBA00022491, ECO:0000256|HAMAP-Rule:MF_01131};
KW Transcription {ECO:0000256|ARBA:ARBA00023163, ECO:0000256|HAMAP-
KW Rule:MF_01131};
KW Transcription regulation {ECO:0000256|ARBA:ARBA00023015, ECO:0000256|HAMAP-
KW Rule:MF_01131}.
FT DOMAIN 80..181
FT /note="CoA-binding"
FT /evidence="ECO:0000259|SMART:SM00881"
FT DNA_BIND 17..56
FT /note="H-T-H motif"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
FT BINDING 91..96
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
SQ SEQUENCE 211 AA; 23598 MW; 6937A7481EFA841B CRC64;
MKRHKLLNVP SIRRLPSYLQ VVKGAAEEGR EYISGTYIAQ ELELEAIQVR KDLALTGIMG
KPRLGYPVQE LIHAIERFLR WDIDQFACLV GAGNLGQALL GYQELKRHKL HIAAAFDVDP
SKIGKVVHGT RIHPLSEFAA VKEKEDFEMA ILTVPPEVAQ EVAEIIVDHG IKGIWNFTNV
KLKLPSHVVV QQEDLSSGYA VLSLKMAKFA R
//
