ID   RHAS_ECO27              Reviewed;         278 AA.
AC   B7UNM6;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   25-MAY-2022, entry version 79.
DE   RecName: Full=HTH-type transcriptional activator RhaS {ECO:0000255|HAMAP-Rule:MF_01534};
DE   AltName: Full=L-rhamnose operon regulatory protein RhaS {ECO:0000255|HAMAP-Rule:MF_01534};
GN   Name=rhaS {ECO:0000255|HAMAP-Rule:MF_01534}; OrderedLocusNames=E2348C_4210;
OS   Escherichia coli O127:H6 (strain E2348/69 / EPEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=574521;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=E2348/69 / EPEC;
RX   PubMed=18952797; DOI=10.1128/jb.01238-08;
RA   Iguchi A., Thomson N.R., Ogura Y., Saunders D., Ooka T., Henderson I.R.,
RA   Harris D., Asadulghani M., Kurokawa K., Dean P., Kenny B., Quail M.A.,
RA   Thurston S., Dougan G., Hayashi T., Parkhill J., Frankel G.;
RT   "Complete genome sequence and comparative genome analysis of
RT   enteropathogenic Escherichia coli O127:H6 strain E2348/69.";
RL   J. Bacteriol. 191:347-354(2009).
CC   -!- FUNCTION: Activates expression of the rhaBAD and rhaT operons.
CC       {ECO:0000255|HAMAP-Rule:MF_01534}.
CC   -!- SUBUNIT: Binds DNA as a dimer. {ECO:0000255|HAMAP-Rule:MF_01534}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01534}.
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DR   EMBL; FM180568; CAS11758.1; -; Genomic_DNA.
DR   RefSeq; WP_000217156.1; NC_011601.1.
DR   AlphaFoldDB; B7UNM6; -.
DR   SMR; B7UNM6; -.
DR   EnsemblBacteria; CAS11758; CAS11758; E2348C_4210.
DR   KEGG; ecg:E2348C_4210; -.
DR   HOGENOM; CLU_000445_88_5_6; -.
DR   OMA; GHYPSHW; -.
DR   Proteomes; UP000008205; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003700; F:DNA-binding transcription factor activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0043565; F:sequence-specific DNA binding; IEA:InterPro.
DR   GO; GO:0045893; P:positive regulation of transcription, DNA-templated; IEA:UniProtKB-UniRule.
DR   GO; GO:0019299; P:rhamnose metabolic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 2.60.120.10; -; 1.
DR   HAMAP; MF_01534; HTH_type_RhaS; 1.
DR   InterPro; IPR003313; AraC-bd.
DR   InterPro; IPR009057; Homeobox-like_sf.
DR   InterPro; IPR037923; HTH-like.
DR   InterPro; IPR018060; HTH_AraC.
DR   InterPro; IPR018062; HTH_AraC-typ_CS.
DR   InterPro; IPR014710; RmlC-like_jellyroll.
DR   InterPro; IPR020449; Tscrpt_reg_HTH_AraC-type.
DR   InterPro; IPR023609; Tscrpt_reg_HTH_RhaS.
DR   Pfam; PF02311; AraC_binding; 1.
DR   Pfam; PF12833; HTH_18; 1.
DR   PRINTS; PR00032; HTHARAC.
DR   SMART; SM00342; HTH_ARAC; 1.
DR   SUPFAM; SSF46689; SSF46689; 2.
DR   SUPFAM; SSF51215; SSF51215; 1.
DR   PROSITE; PS00041; HTH_ARAC_FAMILY_1; 1.
DR   PROSITE; PS01124; HTH_ARAC_FAMILY_2; 1.
PE   3: Inferred from homology;
KW   Activator; Cytoplasm; DNA-binding; Repeat; Rhamnose metabolism;
KW   Transcription; Transcription regulation.
FT   CHAIN           1..278
FT                   /note="HTH-type transcriptional activator RhaS"
FT                   /id="PRO_1000185177"
FT   DOMAIN          174..272
FT                   /note="HTH araC/xylS-type"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01534"
FT   DNA_BIND        191..212
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01534"
FT   DNA_BIND        239..262
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01534"
FT   SITE            241
FT                   /note="Interaction with sigma-70"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01534"
FT   SITE            250
FT                   /note="Interaction with sigma-70"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01534"
SQ   SEQUENCE   278 AA;  32330 MW;  725F61929C39D560 CRC64;
     MTVLHSVDFF PSGNASVAIE PRLPQADFPE HHHDFHEIVI VEHGTGIHVF NGQPYTITGG
     TVCFVRDHDR HLYEHTDNLC LTNVLYRSPD RFQFLAGLNQ LLPQEQDGQY PSHWRVNHSV
     LQQVRQLVAQ MEQQEGENDL PSTASREILF MQLLLLLRKS SLQENLENSA SRLNLLLAWL
     EDHFADEVNW DAVADQFSLS LRTLHRQLKQ QTGLTPQRYL NRLRLMKARH LLRHSEASVT
     DIAYRCGFSD SNHFSTLFRR EFNWSPRDIR QGRDGFLQ