ID   RBCR_SYNY3              Reviewed;         345 AA.
AC   P73123;
DT   06-MAR-2007, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1997, sequence version 1.
DT   25-MAY-2022, entry version 128.
DE   RecName: Full=Probable RuBisCO transcriptional regulator;
GN   Name=rbcR; OrderedLocusNames=sll0998;
OS   Synechocystis sp. (strain PCC 6803 / Kazusa).
OC   Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC   unclassified Synechocystis.
OX   NCBI_TaxID=1111708;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA   Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA   Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA   Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA   Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT   genome and assignment of potential protein-coding regions.";
RL   DNA Res. 3:109-136(1996).
CC   -!- FUNCTION: Trans-acting transcriptional regulator of RuBisCO genes (rbcL
CC       and rbcS) expression. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the LysR transcriptional regulatory family.
CC       {ECO:0000305}.
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DR   EMBL; BA000022; BAA17149.1; -; Genomic_DNA.
DR   PIR; S75235; S75235.
DR   AlphaFoldDB; P73123; -.
DR   SMR; P73123; -.
DR   STRING; 1148.1652226; -.
DR   PaxDb; P73123; -.
DR   EnsemblBacteria; BAA17149; BAA17149; BAA17149.
DR   KEGG; syn:sll0998; -.
DR   eggNOG; COG0583; Bacteria.
DR   InParanoid; P73123; -.
DR   OMA; DQALDIC; -.
DR   PhylomeDB; P73123; -.
DR   Proteomes; UP000001425; Chromosome.
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   DNA-binding; Reference proteome; Transcription; Transcription regulation.
FT   CHAIN           1..345
FT                   /note="Probable RuBisCO transcriptional regulator"
FT                   /id="PRO_0000280082"
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"
FT   REGION          311..345
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   345 AA;  38018 MW;  6948AD5024ACE95C CRC64;
     MSDIPFTLDQ LRILKAIASE GSFKRAADTL YVSQPAVSLQ VQNLEKQLSV PLFDRGGRKA
     QLTEAGHLLL NYGEKIITLC QETCRAIEDL QNLQGGTLIV GASQTTGTYL LPRMIGMFRQ
     QYPDVTVQLQ VHSTRRTAWG VANGQVDLAI IGGEVPAELQ ETLTVLPYAE DELALILPVL
     HPLAQAETIQ KEDLYKLKFI SLDSQSTIRK VIDKVLSQGE IDTKRLKIEM ELNSIEAIKN
     AVQSGLGAAF VSTTAIEKEL EMNVLHIAPI KNVEIRRVLS VIINPNRYRS KASAAFIREV
     LPQFSTHPDA LDPERLFANP YSSNNGDRQG DGKDGKGSIE IDSVT