ID   NRDR3_MAGSA             Reviewed;         153 AA.
AC   Q2W4T1;
DT   05-SEP-2006, integrated into UniProtKB/Swiss-Prot.
DT   10-JAN-2006, sequence version 1.
DT   25-MAY-2022, entry version 92.
DE   RecName: Full=Transcriptional repressor NrdR 3 {ECO:0000255|HAMAP-Rule:MF_00440};
GN   Name=nrdR3 {ECO:0000255|HAMAP-Rule:MF_00440}; OrderedLocusNames=amb2340;
OS   Magnetospirillum magneticum (strain AMB-1 / ATCC 700264).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodospirillales;
OC   Rhodospirillaceae; Magnetospirillum.
OX   NCBI_TaxID=342108;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AMB-1 / ATCC 700264;
RX   PubMed=16303747; DOI=10.1093/dnares/dsi002;
RA   Matsunaga T., Okamura Y., Fukuda Y., Wahyudi A.T., Murase Y., Takeyama H.;
RT   "Complete genome sequence of the facultative anaerobic magnetotactic
RT   bacterium Magnetospirillum sp. strain AMB-1.";
RL   DNA Res. 12:157-166(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; AP007255; BAE51144.1; -; Genomic_DNA.
DR   RefSeq; WP_011384737.1; NC_007626.1.
DR   AlphaFoldDB; Q2W4T1; -.
DR   SMR; Q2W4T1; -.
DR   STRING; 342108.amb2340; -.
DR   EnsemblBacteria; BAE51144; BAE51144; amb2340.
DR   KEGG; mag:amb2340; -.
DR   HOGENOM; CLU_108412_0_1_5; -.
DR   OMA; YRFTTYE; -.
DR   OrthoDB; 1551627at2; -.
DR   Proteomes; UP000007058; 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..153
FT                   /note="Transcriptional repressor NrdR 3"
FT                   /id="PRO_0000249026"
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"
FT   REGION          1..26
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        7..26
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   153 AA;  17910 MW;  70884EE45B74A121 CRC64;
     MRCPFCGHDD TQVKDSRPTE DNSAIRRRRS CPECGSRFTT FERVQIRDLV VIKKDGGRSP
     FDRDKVLKSL RIALRKRPVD DEQIERIVNG IHRRLESMGE NEVPSKFIGE LVMEVLMDLD
     KVAYVRYASV YRNFREAKDF EDFLGKMVVP RLD