ID I7LB45_9LACO Unreviewed; 231 AA.
AC I7LB45;
DT 03-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 03-OCT-2012, sequence version 1.
DT 27-MAR-2024, entry version 47.
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=BN53_03955 {ECO:0000313|EMBL:CCI85241.1};
OS Lactobacillus pasteurii DSM 23907 = CRBIP 24.76.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Lactobacillaceae;
OC Lactobacillus.
OX NCBI_TaxID=1423790 {ECO:0000313|EMBL:CCI85241.1, ECO:0000313|Proteomes:UP000009311};
RN [1] {ECO:0000313|EMBL:CCI85241.1, ECO:0000313|Proteomes:UP000009311}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CRBIP 24.76T {ECO:0000313|Proteomes:UP000009311};
RA Cousin S., Bouchier C., Loux V., Ma L., Creno S., Bizet C., Clermont D.;
RT "Draft Genome Sequence of Lactobacillus pasteurii CRBIP 24.76T.";
RL Submitted (JUN-2012) 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:CCI85241.1}.
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DR EMBL; CAKD01000020; CCI85241.1; -; Genomic_DNA.
DR AlphaFoldDB; I7LB45; -.
DR STRING; 1423790.BN53_03955; -.
DR eggNOG; COG2344; Bacteria.
DR Proteomes; UP000009311; 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};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_01131};
KW Reference proteome {ECO:0000313|Proteomes:UP000009311};
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 BINDING 106..111
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01131"
SQ SEQUENCE 231 AA; 25995 MW; 81DA8464D00A310F CRC64;
MCMIVQSQEE NIWGQKMDKI KIPKATAKRL PLYYRYLMIL NEEGKEKVSS TELSEAVQVD
SASIRRDFSY FGALGKRGYG YDVKNLLSFF KKILNQDTLT NVALVGVGNL GRALLNYNFK
RSNNIRISCA FDINEEITGR ILSGVPVYDM SELKKQLSDQ QITIAILTVP SSQAQDTTNE
MIEAGIKGIM NFTPIRLSAP SSVRVQNVDL ATELQTLIYF LDSEKLSDED L
//
