ID   HFQ_CLOD6               Reviewed;          86 AA.
AC   Q187T2;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   25-JUL-2006, sequence version 1.
DT   03-AUG-2022, entry version 85.
DE   RecName: Full=RNA-binding protein Hfq {ECO:0000255|HAMAP-Rule:MF_00436};
GN   Name=hfq {ECO:0000255|HAMAP-Rule:MF_00436}; OrderedLocusNames=CD630_19740;
OS   Clostridioides difficile (strain 630) (Peptoclostridium difficile).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Peptostreptococcaceae;
OC   Clostridioides.
OX   NCBI_TaxID=272563;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=630;
RX   PubMed=16804543; DOI=10.1038/ng1830;
RA   Sebaihia M., Wren B.W., Mullany P., Fairweather N.F., Minton N.,
RA   Stabler R., Thomson N.R., Roberts A.P., Cerdeno-Tarraga A.M., Wang H.,
RA   Holden M.T.G., Wright A., Churcher C., Quail M.A., Baker S., Bason N.,
RA   Brooks K., Chillingworth T., Cronin A., Davis P., Dowd L., Fraser A.,
RA   Feltwell T., Hance Z., Holroyd S., Jagels K., Moule S., Mungall K.,
RA   Price C., Rabbinowitsch E., Sharp S., Simmonds M., Stevens K., Unwin L.,
RA   Whithead S., Dupuy B., Dougan G., Barrell B., Parkhill J.;
RT   "The multidrug-resistant human pathogen Clostridium difficile has a highly
RT   mobile, mosaic genome.";
RL   Nat. Genet. 38:779-786(2006).
CC   -!- FUNCTION: RNA chaperone that binds small regulatory RNA (sRNAs) and
CC       mRNAs to facilitate mRNA translational regulation in response to
CC       envelope stress, environmental stress and changes in metabolite
CC       concentrations. Also binds with high specificity to tRNAs.
CC       {ECO:0000255|HAMAP-Rule:MF_00436}.
CC   -!- SUBUNIT: Homohexamer. {ECO:0000255|HAMAP-Rule:MF_00436}.
CC   -!- SIMILARITY: Belongs to the Hfq family. {ECO:0000255|HAMAP-
CC       Rule:MF_00436}.
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DR   EMBL; AM180355; CAJ68849.1; -; Genomic_DNA.
DR   RefSeq; WP_003428780.1; NZ_CP010905.2.
DR   RefSeq; YP_001088480.1; NC_009089.1.
DR   AlphaFoldDB; Q187T2; -.
DR   SMR; Q187T2; -.
DR   STRING; 272563.CD630_19740; -.
DR   EnsemblBacteria; CAJ68849; CAJ68849; CD630_19740.
DR   GeneID; 66354360; -.
DR   KEGG; cdf:CD630_19740; -.
DR   KEGG; pdc:CDIF630_02179; -.
DR   PATRIC; fig|272563.120.peg.2071; -.
DR   eggNOG; COG1923; Bacteria.
DR   OMA; QQMVYKH; -.
DR   PhylomeDB; Q187T2; -.
DR   BioCyc; PDIF272563:G12WB-2116-MON; -.
DR   Proteomes; UP000001978; Chromosome.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006355; P:regulation of transcription, DNA-templated; IEA:InterPro.
DR   CDD; cd01716; Hfq; 1.
DR   HAMAP; MF_00436; Hfq; 1.
DR   InterPro; IPR005001; Hfq.
DR   InterPro; IPR010920; LSM_dom_sf.
DR   PANTHER; PTHR34772; PTHR34772; 1.
DR   Pfam; PF17209; Hfq; 1.
DR   SUPFAM; SSF50182; SSF50182; 1.
DR   TIGRFAMs; TIGR02383; Hfq; 1.
PE   3: Inferred from homology;
KW   Reference proteome; RNA-binding; Stress response.
FT   CHAIN           1..86
FT                   /note="RNA-binding protein Hfq"
FT                   /id="PRO_0000265148"
SQ   SEQUENCE   86 AA;  9903 MW;  B4DEE8AE37088B85 CRC64;
     MKNTVLNLQD LFLNNARKER IPVTIYLVNG VQVKGLVKGF DSYIILIEGD NRQQNMIYKH
     AVSTIQPGKY INLTNQNQNN NNNNNR