ID   PCAQ_RHIRD              Reviewed;         311 AA.
AC   P0A4T7; P52668;
DT   15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   15-MAR-2005, sequence version 1.
DT   25-MAY-2022, entry version 63.
DE   RecName: Full=HTH-type transcriptional regulator PcaQ;
DE   AltName: Full=Pca operon transcriptional activator;
GN   Name=pcaQ;
OS   Rhizobium radiobacter (Agrobacterium tumefaciens) (Agrobacterium
OS   radiobacter).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Rhizobium/Agrobacterium group; Agrobacterium;
OC   Agrobacterium tumefaciens complex.
OX   NCBI_TaxID=358;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=A348;
RX   PubMed=8550427; DOI=10.1128/jb.178.1.266-272.1996;
RA   Parke D.;
RT   "Characterization of PcaQ, a LysR-type transcriptional activator required
RT   for catabolism of phenolic compounds, from Agrobacterium tumefaciens.";
RL   J. Bacteriol. 178:266-272(1996).
CC   -!- FUNCTION: Activates transcription of the pcaDCHGB operon for the
CC       catabolism of the phenolic compound protocatechuate.
CC   -!- SIMILARITY: Belongs to the LysR transcriptional regulatory family.
CC       {ECO:0000305}.
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DR   EMBL; U32867; AAA91130.1; -; Genomic_DNA.
DR   RefSeq; WP_010973945.1; NZ_JZLL01000084.1.
DR   AlphaFoldDB; P0A4T7; -.
DR   SMR; P0A4T7; -.
DR   STRING; 1082932.ATCR1_11498; -.
DR   PRIDE; P0A4T7; -.
DR   eggNOG; COG0583; Bacteria.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0003700; F:DNA-binding transcription factor activity; IEA:InterPro.
DR   GO; GO:0019619; P:3,4-dihydroxybenzoate catabolic process; IEA:InterPro.
DR   GO; GO:0045893; P:positive regulation of transcription, DNA-templated; IEA:InterPro.
DR   Gene3D; 1.10.10.10; -; 1.
DR   InterPro; IPR005119; LysR_subst-bd.
DR   InterPro; IPR012787; TF_PcaQ.
DR   InterPro; IPR000847; Tscrpt_reg_HTH_LysR.
DR   InterPro; IPR036388; WH-like_DNA-bd_sf.
DR   InterPro; IPR036390; WH_DNA-bd_sf.
DR   Pfam; PF00126; HTH_1; 1.
DR   Pfam; PF03466; LysR_substrate; 1.
DR   PRINTS; PR00039; HTHLYSR.
DR   SUPFAM; SSF46785; SSF46785; 1.
DR   TIGRFAMs; TIGR02424; TF_pcaQ; 1.
DR   PROSITE; PS50931; HTH_LYSR; 1.
PE   3: Inferred from homology;
KW   Activator; DNA-binding; Transcription; Transcription regulation.
FT   CHAIN           1..311
FT                   /note="HTH-type transcriptional regulator PcaQ"
FT                   /id="PRO_0000105740"
FT   DOMAIN          6..63
FT                   /note="HTH lysR-type"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00253"
FT   DNA_BIND        23..42
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00253"
SQ   SEQUENCE   311 AA;  33546 MW;  DCE6C7B6127CE6F6 CRC64;
     MVDQRIKFRH LQTFVEVARQ KSVIRAAEIL HVSQPAVTKT IRELEDVLGV SLLEREGRGI
     RISRYGEVFL RHAGATMTAL RQAVDSVSQE AARAGPPVRV GALPTVSVRI MPKAMSGFLA
     EKTGSPVKIV TGENAVLLEQ LRVGDLDLVV GRLAAPQKMA GFSFEHLYSE KVRFVVRAGH
     PLLSPGLSVF DHLHEYPVLM PTRQSVIGPV VEQFLIANGV PALPIRIETV SDAFGRAFLR
     TSDAIWIISE GVVAADVADG ILAILPVETG DTSGPVGLTV RADTQPSLPL SLLMQAIREA
     AGELFDGRTE G