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SPX_STRA3
ID   SPX_STRA3               Reviewed;         137 AA.
AC   Q8E5J8;
DT   16-FEB-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   25-MAY-2022, entry version 110.
DE   RecName: Full=Global transcriptional regulator Spx {ECO:0000255|HAMAP-Rule:MF_01132};
GN   Name=spx {ECO:0000255|HAMAP-Rule:MF_01132}; OrderedLocusNames=gbs1031;
OS   Streptococcus agalactiae serotype III (strain NEM316).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=211110;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NEM316;
RX   PubMed=12354221; DOI=10.1046/j.1365-2958.2002.03126.x;
RA   Glaser P., Rusniok C., Buchrieser C., Chevalier F., Frangeul L., Msadek T.,
RA   Zouine M., Couve E., Lalioui L., Poyart C., Trieu-Cuot P., Kunst F.;
RT   "Genome sequence of Streptococcus agalactiae, a pathogen causing invasive
RT   neonatal disease.";
RL   Mol. Microbiol. 45:1499-1513(2002).
CC   -!- FUNCTION: Global transcriptional regulator that plays a key role in
CC       stress response and exerts either positive or negative regulation of
CC       genes. Acts by interacting with the C-terminal domain of the alpha
CC       subunit of the RNA polymerase (RNAP). This interaction can enhance
CC       binding of RNAP to the promoter region of target genes and stimulate
CC       their transcription, or block interaction of RNAP with activator.
CC       {ECO:0000255|HAMAP-Rule:MF_01132}.
CC   -!- SUBUNIT: Interacts with the C-terminal domain of the alpha subunit of
CC       the RNAP. {ECO:0000255|HAMAP-Rule:MF_01132}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01132}.
CC   -!- SIMILARITY: Belongs to the ArsC family. Spx subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01132}.
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DR   EMBL; AL766848; CAD46690.1; -; Genomic_DNA.
DR   RefSeq; WP_000631264.1; NC_004368.1.
DR   AlphaFoldDB; Q8E5J8; -.
DR   SMR; Q8E5J8; -.
DR   STRING; 211110.gbs1031; -.
DR   EnsemblBacteria; CAD46690; CAD46690; CAD46690.
DR   GeneID; 66885936; -.
DR   KEGG; san:gbs1031; -.
DR   eggNOG; COG1393; Bacteria.
DR   HOGENOM; CLU_116644_1_1_9; -.
DR   OMA; IMIDDKR; -.
DR   Proteomes; UP000000823; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0045892; P:negative regulation of transcription, DNA-templated; IEA:InterPro.
DR   HAMAP; MF_01132; Spx; 1.
DR   InterPro; IPR006660; Arsenate_reductase-like.
DR   InterPro; IPR023731; Spx.
DR   InterPro; IPR036249; Thioredoxin-like_sf.
DR   InterPro; IPR006504; Tscrpt_reg_Spx/MgsR.
DR   PANTHER; PTHR30041; PTHR30041; 1.
DR   Pfam; PF03960; ArsC; 1.
DR   SUPFAM; SSF52833; SSF52833; 1.
DR   TIGRFAMs; TIGR01617; arsC_related; 1.
DR   PROSITE; PS51353; ARSC; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Disulfide bond; Redox-active center; Transcription;
KW   Transcription regulation.
FT   CHAIN           1..137
FT                   /note="Global transcriptional regulator Spx"
FT                   /id="PRO_0000162572"
FT   DISULFID        10..13
FT                   /note="Redox-active"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01132"
SQ   SEQUENCE   137 AA;  15846 MW;  C4E37AD89D60F6BC CRC64;
     MITLFLSPSC TSCRKARAWL SKHEVAFEEH NIITSPLNKE ELLQILSFTE NGTEDIISTR
     SKVFQKLAID VDELSTSSLM ELISENPSLL RRPIILDKKR MQIGFNEDEI RAFLPRDYRK
     QELKQATIRA EIEGKHD
 
 
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