ID   NRDR_BIFLO              Reviewed;         146 AA.
AC   Q8G4R4;
DT   31-OCT-2003, integrated into UniProtKB/Swiss-Prot.
DT   31-OCT-2003, sequence version 2.
DT   03-AUG-2022, entry version 96.
DE   RecName: Full=Transcriptional repressor NrdR {ECO:0000255|HAMAP-Rule:MF_00440};
GN   Name=nrdR {ECO:0000255|HAMAP-Rule:MF_00440}; OrderedLocusNames=BL1312;
OS   Bifidobacterium longum (strain NCC 2705).
OC   Bacteria; Actinobacteria; Bifidobacteriales; Bifidobacteriaceae;
OC   Bifidobacterium.
OX   NCBI_TaxID=206672;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NCC 2705;
RX   PubMed=12381787; DOI=10.1073/pnas.212527599;
RA   Schell M.A., Karmirantzou M., Snel B., Vilanova D., Berger B., Pessi G.,
RA   Zwahlen M.-C., Desiere F., Bork P., Delley M., Pridmore R.D., Arigoni F.;
RT   "The genome sequence of Bifidobacterium longum reflects its adaptation to
RT   the human gastrointestinal tract.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:14422-14427(2002).
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   -!- SEQUENCE CAUTION:
CC       Sequence=AAN25112.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AE014295; AAN25112.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; NP_696476.2; NC_004307.2.
DR   AlphaFoldDB; Q8G4R4; -.
DR   SMR; Q8G4R4; -.
DR   STRING; 206672.BL1312; -.
DR   EnsemblBacteria; AAN25112; AAN25112; BL1312.
DR   KEGG; blo:BL1312; -.
DR   PATRIC; fig|206672.9.peg.162; -.
DR   HOGENOM; CLU_108412_1_0_11; -.
DR   OMA; YRFTTYE; -.
DR   PhylomeDB; Q8G4R4; -.
DR   Proteomes; UP000000439; 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..146
FT                   /note="Transcriptional repressor NrdR"
FT                   /id="PRO_0000182270"
FT   DOMAIN          46..136
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   146 AA;  16456 MW;  993F4A34C324D9DE CRC64;
     MHCPFCQNPD TKVIDTRISD DGHSIRRRRV CPKCSKRFTT VETSMLLVTK RSGGVEPFSR
     DKVISGVRKA CQGRPVREED LKLLGQKVEE DLRSRGLAEV TSDEVGKAIL KPLRDLDVVA
     YLRFASVYQN FAGLEDFQSA IDGLRE