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Database: UniProt
Entry: A0A117RX63_9ACTN
LinkDB: A0A117RX63_9ACTN
Original site: A0A117RX63_9ACTN 
ID   A0A117RX63_9ACTN        Unreviewed;       256 AA.
AC   A0A117RX63;
DT   13-APR-2016, integrated into UniProtKB/TrEMBL.
DT   13-APR-2016, sequence version 1.
DT   24-JAN-2024, entry version 29.
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=AQJ91_46670 {ECO:0000313|EMBL:KUO14466.1};
OS   Streptomyces dysideae.
OC   Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC   Streptomycetaceae; Streptomyces.
OX   NCBI_TaxID=909626 {ECO:0000313|EMBL:KUO14466.1, ECO:0000313|Proteomes:UP000053260};
RN   [1] {ECO:0000313|EMBL:KUO14466.1, ECO:0000313|Proteomes:UP000053260}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RV15 {ECO:0000313|EMBL:KUO14466.1,
RC   ECO:0000313|Proteomes:UP000053260};
RA   Ruckert C., Abdelmohsen U.R., Winkler A., Hentschel U., Kalinowski J.,
RA   Kampfer P., Glaeser S.;
RT   "Draft genome sequence of Streptomyces sp. RV15, isolated from a marine
RT   sponge.";
RL   Submitted (OCT-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:KUO14466.1}.
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DR   EMBL; LMXB01000148; KUO14466.1; -; Genomic_DNA.
DR   RefSeq; WP_067035955.1; NZ_KQ949139.1.
DR   AlphaFoldDB; A0A117RX63; -.
DR   STRING; 909626.AQJ91_46670; -.
DR   OrthoDB; 9784760at2; -.
DR   Proteomes; UP000053260; 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:UP000053260};
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          89..190
FT                   /note="CoA-binding"
FT                   /evidence="ECO:0000259|SMART:SM00881"
FT   DNA_BIND        26..65
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
FT   REGION          222..256
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         100..105
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
SQ   SEQUENCE   256 AA;  26823 MW;  34C7CEA2039DF415 CRC64;
     MATGRTHRPA TRSRGIPEAT VARLPLYLRA LTALSERSVP TVSSEELAAA AGVNSAKLRK
     DFSYLGSYGT RGVGYDVEYL VYQISRELGL TQDWPVVIVG IGNLGAALAN YGGFASRGFR
     VAALIDADPE MAGKQVAGIT VQHSDEMERI ISDNGVSIGV ITTPPGVAQQ VCDRLVAAGV
     TSILNFAPTV LSVPDGVDVR KVDLSIELQI LAFHEQRKAG EEAANALPDG AVPASVTRKE
     SADKGPDGDV PAVMPA
//
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