ID A0A0T6A5F7_9BACT Unreviewed; 217 AA.
AC A0A0T6A5F7;
DT 17-FEB-2016, integrated into UniProtKB/TrEMBL.
DT 17-FEB-2016, sequence version 1.
DT 27-MAR-2024, entry version 26.
DE RecName: Full=Redox-sensing transcriptional repressor Rex {ECO:0000256|HAMAP-Rule:MF_01131};
GN Name=rex {ECO:0000256|HAMAP-Rule:MF_01131};
GN ORFNames=XU15_C0005G0034 {ECO:0000313|EMBL:KRT70303.1};
OS candidate division NC10 bacterium CSP1-5.
OC Bacteria; candidate division NC10.
OX NCBI_TaxID=1640516 {ECO:0000313|EMBL:KRT70303.1, ECO:0000313|Proteomes:UP000051123};
RN [1] {ECO:0000313|EMBL:KRT70303.1, ECO:0000313|Proteomes:UP000051123}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CSP1-5 {ECO:0000313|EMBL:KRT70303.1};
RA Hug L.A., Thomas B.C., Sharon I., Brown C.T., Sharma R., Hettich R.L.,
RA Wilkins M.J., Williams K.H., Singh A., Banfield J.F.;
RT "Critical biogeochemical functions in the subsurface are associated with
RT bacteria from new phyla and little studied lineages.";
RL Submitted (MAY-2015) to the EMBL/GenBank/DDBJ databases.
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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KRT70303.1}.
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DR EMBL; LDXR01000005; KRT70303.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0T6A5F7; -.
DR STRING; 1640516.XU15_C0005G0034; -.
DR PATRIC; fig|1640516.3.peg.881; -.
DR Proteomes; UP000051123; Unassembled WGS sequence.
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 84..185
FT /note="CoA-binding"
FT /evidence="ECO:0000259|SMART:SM00881"
FT DNA_BIND 21..60
FT /note="H-T-H motif"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
FT BINDING 95..100
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
SQ SEQUENCE 217 AA; 23873 MW; 080965E56407B438 CRC64;
MKSQRLARHR IPERAITRLS IYLRCLEELL ADGTLAVSSQ QLANRFGLNS AQVRKDLAYF
GQFGVRGLGY YTGELKGNLE RILGLTQQWE VALVGLGNLG SALLNYRGFQ QRGFRLAAAF
DNDAGKVGMR IGRVPVFDVE RIVPILKRRR IKMAVIAVPA AAAQAVTDQL VAAGVNAILN
FAPTQLSVPK RVKVQNVDLS VMLKTLSFYT TRSARAS
//
