ID   RHAR_ECOK1              Reviewed;         282 AA.
AC   A1AI83;
DT   26-JUN-2007, integrated into UniProtKB/Swiss-Prot.
DT   24-JUL-2007, sequence version 2.
DT   27-MAR-2024, entry version 95.
DE   RecName: Full=HTH-type transcriptional activator RhaR {ECO:0000255|HAMAP-Rule:MF_01533};
DE   AltName: Full=L-rhamnose operon transcriptional activator RhaR {ECO:0000255|HAMAP-Rule:MF_01533};
GN   Name=rhaR {ECO:0000255|HAMAP-Rule:MF_01533};
GN   OrderedLocusNames=Ecok1_38790; ORFNames=APECO1_2562;
OS   Escherichia coli O1:K1 / APEC.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=405955;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=17293413; DOI=10.1128/jb.01726-06;
RA   Johnson T.J., Kariyawasam S., Wannemuehler Y., Mangiamele P., Johnson S.J.,
RA   Doetkott C., Skyberg J.A., Lynne A.M., Johnson J.R., Nolan L.K.;
RT   "The genome sequence of avian pathogenic Escherichia coli strain O1:K1:H7
RT   shares strong similarities with human extraintestinal pathogenic E. coli
RT   genomes.";
RL   J. Bacteriol. 189:3228-3236(2007).
CC   -!- FUNCTION: Activates expression of the rhaSR operon in response to L-
CC       rhamnose. {ECO:0000255|HAMAP-Rule:MF_01533}.
CC   -!- SUBUNIT: Binds DNA as a dimer. {ECO:0000255|HAMAP-Rule:MF_01533}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01533}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=ABJ03373.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000468; ABJ03373.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_001350870.1; NZ_CADILS010000014.1.
DR   AlphaFoldDB; A1AI83; -.
DR   SMR; A1AI83; -.
DR   KEGG; ecv:APECO1_2562; -.
DR   HOGENOM; CLU_000445_88_5_6; -.
DR   Proteomes; UP000008216; 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 DNA-templated transcription; IEA:UniProtKB-UniRule.
DR   GO; GO:0019299; P:rhamnose metabolic process; IEA:UniProtKB-UniRule.
DR   CDD; cd06977; cupin_RhaR_RhaS-like_N; 1.
DR   Gene3D; 1.10.10.60; Homeodomain-like; 2.
DR   Gene3D; 2.60.120.10; Jelly Rolls; 1.
DR   HAMAP; MF_01533; HTH_type_RhaR; 1.
DR   InterPro; IPR003313; AraC-bd.
DR   InterPro; IPR009057; Homeobox-like_sf.
DR   InterPro; IPR018060; HTH_AraC.
DR   InterPro; IPR018062; HTH_AraC-typ_CS.
DR   InterPro; IPR047220; RhaR_RhaS-like_N.
DR   InterPro; IPR014710; RmlC-like_jellyroll.
DR   InterPro; IPR011051; RmlC_Cupin_sf.
DR   InterPro; IPR023699; Tscrpt_act_RhaR.
DR   InterPro; IPR020449; Tscrpt_reg_HTH_AraC-type.
DR   PANTHER; PTHR46796:SF2; HTH-TYPE TRANSCRIPTIONAL ACTIVATOR RHAS; 1.
DR   PANTHER; PTHR46796; HTH-TYPE TRANSCRIPTIONAL ACTIVATOR RHAS-RELATED; 1.
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; Homeodomain-like; 2.
DR   SUPFAM; SSF51182; RmlC-like cupins; 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; Reference proteome; Repeat;
KW   Rhamnose metabolism; Transcription; Transcription regulation.
FT   CHAIN           1..282
FT                   /note="HTH-type transcriptional activator RhaR"
FT                   /id="PRO_0000292772"
FT   DOMAIN          179..277
FT                   /note="HTH araC/xylS-type"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01533"
FT   DNA_BIND        196..217
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01533"
FT   DNA_BIND        244..267
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01533"
FT   SITE            246
FT                   /note="Interaction with sigma-70"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01533"
SQ   SEQUENCE   282 AA;  32341 MW;  48DC6942F46DBC88 CRC64;
     MAHQLKLLKD DFFASDQQAV AVADRYPQDV FAEHTHDFCE LVIVWRGNGL HVLNDRPYRI
     TRGDLFYIHA DDKHSYASVN DLVLQNIIYC PERLKLNLDW QGAIPGFNAS AGQPHWRLGS
     VGMAQARQVI GQLEHESSQH VPFANEMAEL LFGQLVMLLN RHRYTSDSLP PTSSETLLDK
     LITRLAASLK SPFALDKFCD EASCSERVLR QQFRQQTGMT INQYLRQVRV CHAQYLLQHS
     RLLISDISTE CGFEDSNYFS VVFTRETGMT PSQWRHLNSQ KD
//