ID   NRDR_CLOD6              Reviewed;         153 AA.
AC   Q182X3;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   25-JUL-2006, sequence version 1.
DT   03-AUG-2022, entry version 93.
DE   RecName: Full=Transcriptional repressor NrdR {ECO:0000255|HAMAP-Rule:MF_00440};
GN   Name=nrdR {ECO:0000255|HAMAP-Rule:MF_00440}; OrderedLocusNames=CD630_26400;
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: Negatively regulates transcription of bacterial
CC       ribonucleotide reductase nrd genes and operons by binding to NrdR-
CC       boxes. {ECO:0000255|HAMAP-Rule:MF_00440}.
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00440};
CC       Note=Binds 1 zinc ion. {ECO:0000255|HAMAP-Rule:MF_00440};
CC   -!- SIMILARITY: Belongs to the NrdR family. {ECO:0000255|HAMAP-
CC       Rule:MF_00440}.
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; AM180355; CAJ69526.1; -; Genomic_DNA.
DR   RefSeq; WP_004454958.1; NZ_CP010905.2.
DR   RefSeq; YP_001089151.1; NC_009089.1.
DR   AlphaFoldDB; Q182X3; -.
DR   SMR; Q182X3; -.
DR   STRING; 272563.CD630_26400; -.
DR   PRIDE; Q182X3; -.
DR   EnsemblBacteria; CAJ69526; CAJ69526; CD630_26400.
DR   GeneID; 66355042; -.
DR   KEGG; cdf:CD630_26400; -.
DR   KEGG; pdc:CDIF630_02894; -.
DR   PATRIC; fig|272563.120.peg.2783; -.
DR   eggNOG; COG1327; Bacteria.
DR   OMA; YRFTTYE; -.
DR   PhylomeDB; Q182X3; -.
DR   BioCyc; PDIF272563:G12WB-2791-MON; -.
DR   Proteomes; UP000001978; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0008270; F:zinc ion binding; IEA:InterPro.
DR   GO; GO:0045892; P:negative regulation of transcription, DNA-templated; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00440; NrdR; 1.
DR   InterPro; IPR005144; ATP-cone_dom.
DR   InterPro; IPR003796; RNR_NrdR-like.
DR   PANTHER; PTHR30455; PTHR30455; 1.
DR   Pfam; PF03477; ATP-cone; 1.
DR   TIGRFAMs; TIGR00244; TIGR00244; 1.
DR   PROSITE; PS51161; ATP_CONE; 1.
PE   3: Inferred from homology;
KW   ATP-binding; DNA-binding; Metal-binding; Nucleotide-binding;
KW   Reference proteome; Repressor; Transcription; Transcription regulation;
KW   Zinc; Zinc-finger.
FT   CHAIN           1..153
FT                   /note="Transcriptional repressor NrdR"
FT                   /id="PRO_0000264168"
FT   DOMAIN          48..138
FT                   /note="ATP-cone"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00440"
FT   ZN_FING         3..33
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00440"
SQ   SEQUENCE   153 AA;  18304 MW;  8B5780BB48B92188 CRC64;
     MQCPYCNYKE SKVIDSRHTD LKSIRRRREC ESCKKRFTTY EKIETTPLMV IKKDNSREYF
     DREKIKYGLL KACEKRPVSI DEIESIVVHI ENEINKCFIE EIETKKIGEM VMDKLKELDE
     VAYVRFASVY RQFKDINTFV NELKSILIEK GDK