ID   FLHD_CUPPJ              Reviewed;         105 AA.
AC   Q46PI5;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   25-MAY-2022, entry version 93.
DE   RecName: Full=Flagellar transcriptional regulator FlhD {ECO:0000255|HAMAP-Rule:MF_00725};
GN   Name=flhD {ECO:0000255|HAMAP-Rule:MF_00725}; OrderedLocusNames=Reut_B5604;
OS   Cupriavidus pinatubonensis (strain JMP 134 / LMG 1197) (Cupriavidus necator
OS   (strain JMP 134)).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Cupriavidus.
OX   NCBI_TaxID=264198;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JMP134 / LMG 1197;
RX   PubMed=20339589; DOI=10.1371/journal.pone.0009729;
RA   Lykidis A., Perez-Pantoja D., Ledger T., Mavromatis K., Anderson I.J.,
RA   Ivanova N.N., Hooper S.D., Lapidus A., Lucas S., Gonzalez B.,
RA   Kyrpides N.C.;
RT   "The complete multipartite genome sequence of Cupriavidus necator JMP134, a
RT   versatile pollutant degrader.";
RL   PLoS ONE 5:E9729-E9729(2010).
CC   -!- FUNCTION: Functions in complex with FlhC as a master transcriptional
CC       regulator that regulates transcription of several flagellar and non-
CC       flagellar operons by binding to their promoter region. Activates
CC       expression of class 2 flagellar genes, including fliA, which is a
CC       flagellum-specific sigma factor that turns on the class 3 genes. Also
CC       regulates genes whose products function in a variety of physiological
CC       pathways. {ECO:0000255|HAMAP-Rule:MF_00725}.
CC   -!- SUBUNIT: Homodimer; disulfide-linked. Forms a heterohexamer composed of
CC       two FlhC and four FlhD subunits. Each FlhC binds a FlhD dimer, forming
CC       a heterotrimer, and a hexamer assembles by dimerization of two
CC       heterotrimers. {ECO:0000255|HAMAP-Rule:MF_00725}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00725}.
CC   -!- DOMAIN: The C-terminal region contains a putative helix-turn-helix
CC       (HTH) motif, suggesting that this region may bind DNA.
CC       {ECO:0000255|HAMAP-Rule:MF_00725}.
CC   -!- SIMILARITY: Belongs to the FlhD family. {ECO:0000255|HAMAP-
CC       Rule:MF_00725}.
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DR   EMBL; CP000091; AAZ64949.1; -; Genomic_DNA.
DR   RefSeq; WP_011301712.1; NC_007348.1.
DR   AlphaFoldDB; Q46PI5; -.
DR   SMR; Q46PI5; -.
DR   STRING; 264198.Reut_B5604; -.
DR   EnsemblBacteria; AAZ64949; AAZ64949; Reut_B5604.
DR   KEGG; reu:Reut_B5604; -.
DR   eggNOG; ENOG5031P80; Bacteria.
DR   HOGENOM; CLU_144160_1_0_4; -.
DR   OMA; REDKPMG; -.
DR   OrthoDB; 2022460at2; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0044780; P:bacterial-type flagellum assembly; IEA:InterPro.
DR   GO; GO:0045893; P:positive regulation of transcription, DNA-templated; IEA:InterPro.
DR   GO; GO:1902208; P:regulation of bacterial-type flagellum assembly; IEA:UniProtKB-UniRule.
DR   Gene3D; 1.10.4000.10; -; 1.
DR   HAMAP; MF_00725; FlhD; 1.
DR   InterPro; IPR023559; Flagellar_FlhD.
DR   InterPro; IPR036194; FlhD_sf.
DR   Pfam; PF05247; FlhD; 1.
DR   SUPFAM; SSF63592; SSF63592; 1.
PE   3: Inferred from homology;
KW   Activator; Bacterial flagellum biogenesis; Cytoplasm; Disulfide bond;
KW   DNA-binding; Transcription; Transcription regulation.
FT   CHAIN           1..105
FT                   /note="Flagellar transcriptional regulator FlhD"
FT                   /id="PRO_1000045886"
FT   DISULFID        65
FT                   /note="Interchain"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00725"
SQ   SEQUENCE   105 AA;  11872 MW;  2FC44C5A588C0CE8 CRC64;
     MESSEVLQEI REVNLAYLLL AQRLVRENQV EAMFRLGVSK EIADILAKLT SAQLVKLAAS
     NMVLCRFRFD DHALLSTLTH TAKNHDMQQM HAAILLARQP VESLN