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Database: UniProt
Entry: A0A0M8KA74_9CHLR
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ID   A0A0M8KA74_9CHLR        Unreviewed;       222 AA.
AC   A0A0M8KA74;
DT   09-DEC-2015, integrated into UniProtKB/TrEMBL.
DT   09-DEC-2015, sequence version 1.
DT   24-JAN-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   ECO:0000313|EMBL:GAP64041.1};
GN   ORFNames=ARMA_2464 {ECO:0000313|EMBL:GAP64041.1}, SE16_14760
GN   {ECO:0000313|EMBL:KPL86530.1};
OS   Ardenticatena maritima.
OC   Bacteria; Chloroflexota; Ardenticatenia; Ardenticatenales;
OC   Ardenticatenaceae; Ardenticatena.
OX   NCBI_TaxID=872965 {ECO:0000313|EMBL:GAP64041.1, ECO:0000313|Proteomes:UP000037784};
RN   [1] {ECO:0000313|EMBL:GAP64041.1, ECO:0000313|Proteomes:UP000037784}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=110S {ECO:0000313|EMBL:GAP64041.1,
RC   ECO:0000313|Proteomes:UP000037784};
RA   Kawaichi S., Yoshida T., Sako Y., Nakamura R.;
RT   "Draft Genome Sequence of a Heterotrophic Facultative Anaerobic
RT   Thermophilic Bacterium, Ardenticatena maritima Strain 110ST.";
RL   Genome Announc. 3:e01145-15(2015).
RN   [2] {ECO:0000313|EMBL:KPL86530.1, ECO:0000313|Proteomes:UP000050502}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=110S {ECO:0000313|EMBL:KPL86530.1,
RC   ECO:0000313|Proteomes:UP000050502};
RA   Hemp J., Ward L.M., Pace L.A., Fischer W.W.;
RT   "Whole genome sequence of Ardenticatena maritima DSM 23922.";
RL   Submitted (JUL-2015) to the EMBL/GenBank/DDBJ databases.
RN   [3] {ECO:0000313|Proteomes:UP000037784}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=110S {ECO:0000313|Proteomes:UP000037784};
RA   Kawaichi S., Yoshida T., Sako Y., Nakamura R.;
RT   "Draft Genome Sequence of a Heterotrophic Facultative Anaerobic Bacterium
RT   Ardenticatena maritima Strain 110S.";
RL   Submitted (AUG-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:GAP64041.1}.
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DR   EMBL; BBZA01000224; GAP64041.1; -; Genomic_DNA.
DR   EMBL; LGKN01000009; KPL86530.1; -; Genomic_DNA.
DR   RefSeq; WP_054493795.1; NZ_LGKN01000009.1.
DR   AlphaFoldDB; A0A0M8KA74; -.
DR   STRING; 872965.SE16_14760; -.
DR   PATRIC; fig|872965.6.peg.2603; -.
DR   InParanoid; A0A0M8KA74; -.
DR   OrthoDB; 9784760at2; -.
DR   Proteomes; UP000037784; Unassembled WGS sequence.
DR   Proteomes; UP000050502; 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; 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   Reference proteome {ECO:0000313|Proteomes:UP000037784};
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          85..186
FT                   /note="CoA-binding"
FT                   /evidence="ECO:0000259|SMART:SM00881"
FT   DNA_BIND        22..61
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
FT   BINDING         96..101
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
SQ   SEQUENCE   222 AA;  24322 MW;  4D01E23BC654844A CRC64;
     MTQKNGPVEK VIPDIVIHRL PVYLRALDLM ARQGKRITSS QELGERLGIS SAQIRKDLSH
     FGEFGKQGTG YDVEYLRDQL RRILKVDRVW PMAVVGAGDL GHALANYKGF ANRGFQVVAV
     FDADPAKIGQ RIGGLVIESM DVLTERIAEL GIRIGIIAVP AEAAQDVANR LIEGGVRAIL
     NYAPITLSVP EGVRVEYIDP VLALQSMTYY LEPNEVETVV GS
//
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