ID   CBBR_CERSP              Reviewed;         310 AA.
AC   P52690;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1996, sequence version 1.
DT   25-MAY-2022, entry version 76.
DE   RecName: Full=HTH-type transcriptional regulator CbbR;
DE   AltName: Full=RuBisCO operon transcriptional regulator;
GN   Name=cbbR;
OS   Cereibacter sphaeroides (Rhodobacter sphaeroides).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC   Rhodobacteraceae; Cereibacter.
OX   NCBI_TaxID=1063;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8376325; DOI=10.1128/jb.175.18.5778-5784.1993;
RA   Gibson J.L., Tabita F.R.;
RT   "Nucleotide sequence and functional analysis of cbbR, a positive regulator
RT   of the Calvin cycle operons of Rhodobacter sphaeroides.";
RL   J. Bacteriol. 175:5778-5784(1993).
CC   -!- FUNCTION: Transcriptional activator for the cbb operon for RuBisCO and
CC       other Calvin cycle genes.
CC   -!- SIMILARITY: Belongs to the LysR transcriptional regulatory family.
CC       {ECO:0000305}.
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DR   EMBL; L20695; -; NOT_ANNOTATED_CDS; Unassigned_DNA.
DR   PIR; A48485; A48485.
DR   AlphaFoldDB; P52690; -.
DR   SMR; P52690; -.
DR   IntAct; P52690; 1.
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   SUPFAM; SSF46785; SSF46785; 1.
DR   PROSITE; PS50931; HTH_LYSR; 1.
PE   3: Inferred from homology;
KW   Activator; DNA-binding; Transcription; Transcription regulation.
FT   CHAIN           1..310
FT                   /note="HTH-type transcriptional regulator CbbR"
FT                   /id="PRO_0000105607"
FT   DOMAIN          7..64
FT                   /note="HTH lysR-type"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00253"
FT   DNA_BIND        24..43
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00253"
SQ   SEQUENCE   310 AA;  33134 MW;  A98E1DF40B1DD578 CRC64;
     MVRLDAITLK QLRALVAVAG SASLTGGATR LGLTPPAIHS QIRNLEEAFG VPLLHRPPET
     GSFTPTLAGI AVLEAAQRIE VILSQCSYQV MAVSEGRAGQ VTLGVVSTGR YFAPRLVKML
     SLACPEIRIA LRVGNREQLI DDLARHMVDL AVMGRPPRQP EVASVALGPH PHGIVAPPDH
     PLAGLAEVPV PDLLSQTFLA RAEGSGTRVL MSRYLDRLGE GQVVDLIEMD SNETIKQSVI
     AGLGLAFLSL HVVMDELRFG QLVQLAAPGL PIERHWFLVH PVDRPLNPAA LRVQGEIVKL
     KGAYLPGAPA