ID   NRDR_CARHZ              Reviewed;         154 AA.
AC   Q3AAG3;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   22-NOV-2005, sequence version 1.
DT   25-MAY-2022, entry version 79.
DE   RecName: Full=Transcriptional repressor NrdR {ECO:0000255|HAMAP-Rule:MF_00440};
GN   Name=nrdR {ECO:0000255|HAMAP-Rule:MF_00440}; OrderedLocusNames=CHY_2052;
OS   Carboxydothermus hydrogenoformans (strain ATCC BAA-161 / DSM 6008 /
OS   Z-2901).
OC   Bacteria; Firmicutes; Clostridia; Thermoanaerobacterales;
OC   Thermoanaerobacteraceae; Carboxydothermus.
OX   NCBI_TaxID=246194;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-161 / DSM 6008 / Z-2901;
RX   PubMed=16311624; DOI=10.1371/journal.pgen.0010065;
RA   Wu M., Ren Q., Durkin A.S., Daugherty S.C., Brinkac L.M., Dodson R.J.,
RA   Madupu R., Sullivan S.A., Kolonay J.F., Nelson W.C., Tallon L.J.,
RA   Jones K.M., Ulrich L.E., Gonzalez J.M., Zhulin I.B., Robb F.T., Eisen J.A.;
RT   "Life in hot carbon monoxide: the complete genome sequence of
RT   Carboxydothermus hydrogenoformans Z-2901.";
RL   PLoS Genet. 1:563-574(2005).
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}.
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DR   EMBL; CP000141; ABB13862.1; -; Genomic_DNA.
DR   RefSeq; WP_011344944.1; NC_007503.1.
DR   AlphaFoldDB; Q3AAG3; -.
DR   SMR; Q3AAG3; -.
DR   STRING; 246194.CHY_2052; -.
DR   EnsemblBacteria; ABB13862; ABB13862; CHY_2052.
DR   KEGG; chy:CHY_2052; -.
DR   eggNOG; COG1327; Bacteria.
DR   HOGENOM; CLU_108412_0_0_9; -.
DR   OMA; YRFTTYE; -.
DR   OrthoDB; 1551627at2; -.
DR   Proteomes; UP000002706; 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:UniProtKB-UniRule.
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..154
FT                   /note="Transcriptional repressor NrdR"
FT                   /id="PRO_0000230860"
FT   DOMAIN          49..139
FT                   /note="ATP-cone"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00440"
FT   ZN_FING         3..34
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00440"
SQ   SEQUENCE   154 AA;  17998 MW;  427E6AE1CAF70F3E CRC64;
     MRCPFCGNEN TRVIDTRAAE DGFAIKRRRE CENCSKRFTT YERLDDRPLI VVKKDGSKQL
     FDKHKIYTGL LKACEKRPIA ESKLLEIAEE IERELKNRLE QEVTSLEIGE MVMSRLKKLD
     EVAYVRFASV YRQFKDVNSF LEELKKLLNG GENS