ID   NRDR_METI4              Reviewed;         166 AA.
AC   B3DVB4;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   22-JUL-2008, sequence version 1.
DT   25-MAY-2022, entry version 70.
DE   RecName: Full=Transcriptional repressor NrdR {ECO:0000255|HAMAP-Rule:MF_00440};
GN   Name=nrdR {ECO:0000255|HAMAP-Rule:MF_00440}; OrderedLocusNames=Minf_1212;
OS   Methylacidiphilum infernorum (isolate V4) (Methylokorus infernorum (strain
OS   V4)).
OC   Bacteria; Verrucomicrobia; Methylacidiphilae; Methylacidiphilales;
OC   Methylacidiphilaceae; Methylacidiphilum.
OX   NCBI_TaxID=481448;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Isolate V4;
RX   PubMed=18593465; DOI=10.1186/1745-6150-3-26;
RA   Hou S., Makarova K.S., Saw J.H., Senin P., Ly B.V., Zhou Z., Ren Y.,
RA   Wang J., Galperin M.Y., Omelchenko M.V., Wolf Y.I., Yutin N., Koonin E.V.,
RA   Stott M.B., Mountain B.W., Crowe M.A., Smirnova A.V., Dunfield P.F.,
RA   Feng L., Wang L., Alam M.;
RT   "Complete genome sequence of the extremely acidophilic methanotroph isolate
RT   V4, Methylacidiphilum infernorum, a representative of the bacterial phylum
RT   Verrucomicrobia.";
RL   Biol. Direct 3:26-26(2008).
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; CP000975; ACD83267.1; -; Genomic_DNA.
DR   RefSeq; WP_012463549.1; NC_010794.1.
DR   AlphaFoldDB; B3DVB4; -.
DR   SMR; B3DVB4; -.
DR   STRING; 481448.Minf_1212; -.
DR   EnsemblBacteria; ACD83267; ACD83267; Minf_1212.
DR   KEGG; min:Minf_1212; -.
DR   eggNOG; COG1327; Bacteria.
DR   HOGENOM; CLU_108412_0_0_0; -.
DR   OMA; YRFTTYE; -.
DR   OrthoDB; 1551627at2; -.
DR   Proteomes; UP000009149; 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; Repressor;
KW   Transcription; Transcription regulation; Zinc; Zinc-finger.
FT   CHAIN           1..166
FT                   /note="Transcriptional repressor NrdR"
FT                   /id="PRO_1000124522"
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   166 AA;  19207 MW;  BFCF712639BDB447 CRC64;
     MKCIKCGNME DKVIDSRPIK EGKSIRRRRE CLRCGYRFTT YEEVQEIELF VKKRNGSIEQ
     FDRNKLMIGI QKALEKRPIT QSQIEDFVDQ IIEECSAEKS PIIPSFVIGT KVMNKLKTID
     EVAFIRFASV YCKFHDAKDF MNVISELKMN EGPSKSVPML LQASSK