ID K8EQB6_CARML Unreviewed; 219 AA.
AC K8EQB6;
DT 06-FEB-2013, integrated into UniProtKB/TrEMBL.
DT 24-JUL-2013, sequence version 2.
DT 27-MAR-2024, entry version 63.
DE RecName: Full=Redox-sensing transcriptional repressor Rex {ECO:0000256|HAMAP-Rule:MF_01131};
GN Name=rex1 {ECO:0000313|EMBL:CCO10726.2};
GN Synonyms=rex {ECO:0000256|HAMAP-Rule:MF_01131};
GN ORFNames=BN424_1284 {ECO:0000313|EMBL:CCO10726.2};
OS Carnobacterium maltaromaticum LMA28.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Carnobacteriaceae;
OC Carnobacterium.
OX NCBI_TaxID=1234679 {ECO:0000313|EMBL:CCO10726.2, ECO:0000313|Proteomes:UP000000212};
RN [1] {ECO:0000313|Proteomes:UP000000212}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=LMA28 {ECO:0000313|Proteomes:UP000000212};
RX PubMed=23405327; DOI=10.1128/genomeA.00115-12;
RA Cailliez-Grimal C., Chaillou S., Anba-Mondoloni J., Loux V., Afzal M.I.,
RA Rahman A., Kergourlay G., Champomier-Verges M.C., Zagorec M., Dalgaard P.,
RA Leisner J.J., Prevost H., Revol-Junelles A.M., Borges F.;
RT "Complete Chromosome Sequence of Carnobacterium maltaromaticum LMA 28.";
RL Genome Announc. 1:0-0(2013).
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; HE999757; CCO10726.2; -; Genomic_DNA.
DR RefSeq; WP_015076076.1; NC_019425.2.
DR AlphaFoldDB; K8EQB6; -.
DR STRING; 1234679.BN424_1284; -.
DR KEGG; cml:BN424_1284; -.
DR eggNOG; COG2344; Bacteria.
DR HOGENOM; CLU_061534_1_1_9; -.
DR OrthoDB; 9784760at2; -.
DR Proteomes; UP000000212; 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};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_01131};
KW Reference proteome {ECO:0000313|Proteomes:UP000000212};
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 83..184
FT /note="CoA-binding"
FT /evidence="ECO:0000259|SMART:SM00881"
FT DNA_BIND 20..59
FT /note="H-T-H motif"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
FT BINDING 94..99
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
SQ SEQUENCE 219 AA; 24699 MW; 2D7E73E7810CA2FB CRC64;
MEKVEKNKNV PKATAKRLPL YYRYLKSLEE SGIHRIKSKD FSTLTQVPST TIRRDFSHFG
ELGRSGYGYE VGHVLNVFDQ ILNVNRVTKV ALVGVGNLGR ALMSNNFRRD DNLKITCGFE
TNEELCNQKI GGIPVYHISQ MEEIIQHESI TTAISTVPSQ HSQEAINQLV AAGVTAVLNF
APGRVKVSNE IDVRYIDLTT ELLTLIYFNE KIRKQTQLS
//
