ID A0A1N6QJG0_9ACTN Unreviewed; 256 AA.
AC A0A1N6QJG0;
DT 15-MAR-2017, integrated into UniProtKB/TrEMBL.
DT 15-MAR-2017, sequence version 1.
DT 27-MAR-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=SAMN05444858_101356 {ECO:0000313|EMBL:SIQ16476.1};
OS Micromonospora avicenniae.
OC Bacteria; Actinomycetota; Actinomycetes; Micromonosporales;
OC Micromonosporaceae; Micromonospora.
OX NCBI_TaxID=1198245 {ECO:0000313|EMBL:SIQ16476.1, ECO:0000313|Proteomes:UP000186004};
RN [1] {ECO:0000313|EMBL:SIQ16476.1, ECO:0000313|Proteomes:UP000186004}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 45758 {ECO:0000313|EMBL:SIQ16476.1,
RC ECO:0000313|Proteomes:UP000186004};
RA Mah S.A., Swanson W.J., Moy G.W., Vacquier V.D.;
RL Submitted (JAN-2017) 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}.
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DR EMBL; FTNF01000001; SIQ16476.1; -; Genomic_DNA.
DR RefSeq; WP_076466776.1; NZ_FTNF01000001.1.
DR AlphaFoldDB; A0A1N6QJG0; -.
DR STRING; 1198245.SAMN05444858_101356; -.
DR OrthoDB; 9784760at2; -.
DR Proteomes; UP000186004; 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 Reference proteome {ECO:0000313|Proteomes:UP000186004};
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 95..196
FT /note="CoA-binding"
FT /evidence="ECO:0000259|SMART:SM00881"
FT DNA_BIND 32..71
FT /note="H-T-H motif"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
FT REGION 1..20
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 106..111
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
SQ SEQUENCE 256 AA; 25963 MW; CB939009615A1301 CRC64;
MSQHRHPGAP GSAGAVPALP DLPEATVARL PEYLRALHNL ADSGDETVSS EGLAAAAGVN
SAKLRKDLSH LGSYGTRGVG YDVALLIGQI ESVLGLTQRR AVALVGVGNL GHALAGYDGF
ASRGFRIAAL FDADPARVGE EINGLVVQHV DELSRVAAEE SIAIGVIATP AAAAQPVADQ
LVAVGVTSIL NFAPCVLSVP EGVDVRKVDL AIELQILSFH EHRKASLTAL PAAGGSALTA
LPGGLAASDS QEAIGT
//
