ID   RBCR_CHLAT              Reviewed;         313 AA.
AC   A2CI69;
DT   06-MAR-2007, integrated into UniProtKB/Swiss-Prot.
DT   20-FEB-2007, sequence version 1.
DT   25-MAY-2022, entry version 46.
DE   RecName: Full=Probable RuBisCO transcriptional regulator;
GN   Name=rbcR; Synonyms=ycf30;
OS   Chlorokybus atmophyticus (Soil alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Chlorokybophyceae; Chlorokybales;
OC   Chlorokybaceae; Chlorokybus.
OX   NCBI_TaxID=3144;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SAG 48.80;
RX   PubMed=17222354; DOI=10.1186/1741-7007-5-2;
RA   Lemieux C., Otis C., Turmel M.;
RT   "A clade uniting the green algae Mesostigma viride and Chlorokybus
RT   atmophyticus represents the deepest branch of the Streptophyta in
RT   chloroplast genome-based phylogenies.";
RL   BMC Biol. 5:2-2(2007).
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; DQ422812; ABM87960.1; -; Genomic_DNA.
DR   RefSeq; YP_001019168.1; NC_008822.1.
DR   AlphaFoldDB; A2CI69; -.
DR   SMR; A2CI69; -.
DR   GeneID; 4783255; -.
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..313
FT                   /note="Probable RuBisCO transcriptional regulator"
FT                   /id="PRO_0000280074"
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   313 AA;  35072 MW;  46D24742F37F638C CRC64;
     MNDLPFTLDQ LLILKAIAAQ GSFKKAADSL YISQPAVSMQ VQNIEKQLNV QLLDRGGRRA
     NLTDAGHLLL RYGDRILALC DETCRALEDL RNLQTGTLII GASQTTGTYL MPQLISLFRK
     KYPQIMVQLH VDSTRHICWN VANGQIDIAI IGGEVPLELR EILQVTPYAD DELALILPCS
     HPFSQRQEIQ KEDLYQLHFI ALYASSTIRK VVDNILREHD IHSSRFFIEM ELNSIEAIKS
     AVQSELGAAF VSASAITKEL QLGLLHWAKI QNVILNRNLS IVTNPNRYRS KAAEKFSCEI
     LASFQPPTVH PCG