ID E1R651_SEDSS Unreviewed; 215 AA.
AC E1R651;
DT 30-NOV-2010, integrated into UniProtKB/TrEMBL.
DT 30-NOV-2010, sequence version 1.
DT 27-MAR-2024, entry version 67.
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=Spirs_1689 {ECO:0000313|EMBL:ADK80816.1};
OS Sediminispirochaeta smaragdinae (strain DSM 11293 / JCM 15392 / SEBR 4228)
OS (Spirochaeta smaragdinae).
OC Bacteria; Spirochaetota; Spirochaetia; Spirochaetales; Spirochaetaceae;
OC Sediminispirochaeta.
OX NCBI_TaxID=573413 {ECO:0000313|EMBL:ADK80816.1, ECO:0000313|Proteomes:UP000002318};
RN [1] {ECO:0000313|EMBL:ADK80816.1, ECO:0000313|Proteomes:UP000002318}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 11293 / JCM 15392 / SEBR 4228
RC {ECO:0000313|Proteomes:UP000002318};
RX PubMed=21304743; DOI=10.4056/sigs.1143106;
RA Mavromatis K., Yasawong M., Chertkov O., Lapidus A., Lucas S., Nolan M.,
RA Del Rio T.G., Tice H., Cheng J.F., Pitluck S., Liolios K., Ivanova N.,
RA Tapia R., Han C., Bruce D., Goodwin L., Pati A., Chen A., Palaniappan K.,
RA Land M., Hauser L., Chang Y.J., Jeffries C.D., Detter J.C., Rohde M.,
RA Brambilla E., Spring S., Goker M., Sikorski J., Woyke T., Bristow J.,
RA Eisen J.A., Markowitz V., Hugenholtz P., Klenk H.P., Kyrpides N.C.;
RT "Complete genome sequence of Spirochaeta smaragdinae type strain (SEBR
RT 4228).";
RL Stand. Genomic Sci. 3:136-144(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; CP002116; ADK80816.1; -; Genomic_DNA.
DR RefSeq; WP_013254280.1; NC_014364.1.
DR AlphaFoldDB; E1R651; -.
DR STRING; 573413.Spirs_1689; -.
DR KEGG; ssm:Spirs_1689; -.
DR eggNOG; COG2344; Bacteria.
DR HOGENOM; CLU_061534_1_0_12; -.
DR OrthoDB; 9784760at2; -.
DR Proteomes; UP000002318; 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 Reference proteome {ECO:0000313|Proteomes:UP000002318};
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 81..182
FT /note="CoA-binding"
FT /evidence="ECO:0000259|SMART:SM00881"
FT DNA_BIND 18..57
FT /note="H-T-H motif"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
FT BINDING 92..97
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
SQ SEQUENCE 215 AA; 23303 MW; 20E4C30D87B345C3 CRC64;
MREHLIAAPL PTIRRIPRYL NVLEDFAAEQ ISFVSATDIA NKLGLKPIQV RKDMAFTGIV
GKPKVGYKTD ELIETIKSFL GWDSATDAFL IGAGALGTAL LGYRGFAERG LQIVAAFDID
PKKIGTRIHG KEVFPISKMA ELAKRMQVHI GVLTVPAESA SQCAHALMDA GITGIWNFSP
AELDVPESMT VQREDLSAGL AVLSVRMSEK KQGIV
//
