ID   RBCR_GRATL              Reviewed;         309 AA.
AC   Q6B936;
DT   06-MAR-2007, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2004, sequence version 1.
DT   25-MAY-2022, entry version 71.
DE   RecName: Full=Probable RuBisCO transcriptional regulator;
GN   Name=rbcR; Synonyms=ycf30; OrderedLocusNames=Grc000017;
OS   Gracilaria tenuistipitata var. liui (Red alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Florideophyceae; Rhodymeniophycidae; Gracilariales;
OC   Gracilariaceae; Agarophyton; Agarophyton tenuistipitatum.
OX   NCBI_TaxID=285951;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=15638458; DOI=10.1007/s00239-004-2638-3;
RA   Hagopian J.C., Reis M., Kitajima J.P., Bhattacharya D., de Oliveira M.C.;
RT   "Comparative analysis of the complete plastid genome sequence of the red
RT   alga Gracilaria tenuistipitata var. liui provides insights into the
RT   evolution of rhodoplasts and their relationship to other plastids.";
RL   J. Mol. Evol. 59:464-477(2004).
CC   -!- FUNCTION: Trans-acting transcriptional regulator of RuBisCO genes (rbcL
CC       and rbcS) expression. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast.
CC   -!- SIMILARITY: Belongs to the LysR transcriptional regulatory family.
CC       {ECO:0000305}.
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DR   EMBL; AY673996; AAT79599.1; -; Genomic_DNA.
DR   RefSeq; YP_063524.1; NC_006137.1.
DR   AlphaFoldDB; Q6B936; -.
DR   SMR; Q6B936; -.
DR   GeneID; 2943986; -.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0003700; F:DNA-binding transcription factor activity; IEA:InterPro.
DR   Gene3D; 1.10.10.10; -; 1.
DR   InterPro; IPR005119; LysR_subst-bd.
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   PROSITE; PS50931; HTH_LYSR; 1.
PE   3: Inferred from homology;
KW   Chloroplast; DNA-binding; Plastid; Transcription; Transcription regulation.
FT   CHAIN           1..309
FT                   /note="Probable RuBisCO transcriptional regulator"
FT                   /id="PRO_0000280077"
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   309 AA;  34513 MW;  4EC73DDF478DC01C CRC64;
     MRDLPFTLDQ LRILKAIVKE GSFKRAADSL YVSQPAISLQ IQNLEKQLNI PLFERSNKKA
     TLTEAGNLLL RYGGRILALC EETCRALEDV QNLQGGNLVI GASQTTGTYL MPRLIGLFRQ
     RYPQVNVQLQ VHSTRLISWS VANGQVDLAV IGGEVPNELK DTLQVTSYAE DELALILPTS
     HVFSKLPDIQ KEDLYRLRFI ALDTQSTIRK VIDKILIQHD IDSSRFKIEM ELNSIEAIKN
     AVQSGLGAAF VSVSAIAKEL ELGILHWAKI ENVTIKRMLS IIINPNRYKS KAAETFSKEI
     LTLFVTPAA