ID   RBCR_PORPU              Reviewed;         317 AA.
AC   P51205;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1996, sequence version 1.
DT   25-MAY-2022, entry version 77.
DE   RecName: Full=Probable RuBisCO transcriptional regulator;
GN   Name=rbcR; Synonyms=ycf30;
OS   Porphyra purpurea (Red seaweed) (Ulva purpurea).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Bangiophyceae; Bangiales; Bangiaceae; Porphyra.
OX   NCBI_TaxID=2787;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Avonport;
RA   Reith M.E., Munholland J.;
RT   "Complete nucleotide sequence of the Porphyra purpurea chloroplast
RT   genome.";
RL   Plant Mol. Biol. Rep. 13:333-335(1995).
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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; U38804; AAC08091.1; -; Genomic_DNA.
DR   PIR; S73126; S73126.
DR   RefSeq; NP_053815.1; NC_000925.1.
DR   AlphaFoldDB; P51205; -.
DR   SMR; P51205; -.
DR   GeneID; 809829; -.
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..317
FT                   /note="Probable RuBisCO transcriptional regulator"
FT                   /id="PRO_0000105773"
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   317 AA;  35144 MW;  BAACA4BF05F15DA6 CRC64;
     MTDLPFTLDQ LRILKAIAKE GSFKKAANSL YVSQPAISLQ IQNLERQLNV ALFERGNKKA
     TLTEAGSLLL RYGGRILALC EETCRALDDL QNLQGGTLII GASQTTGTYL MPRLIGLFRQ
     RYPQVAVQLQ VHSTRLISWS VANGQVDLAI IGGEVPTELQ DVLQVTSYAE DELALILPKS
     HPFSKLGDIQ KEDLYRLRFI ALDTQSTIRK VIDKVLSQHG IDSSRFKIEM ELNSIEAIKN
     AVQSGLGAAF VSVSAIAKEL ELGIVHWAQI ENVTIKRMLS IIVNPNRYKS KATETFSQEI
     LTLFVTPSQH KTLGDKL