ID   NRDR_SYNR3              Reviewed;         161 AA.
AC   A5GR10;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   12-JUN-2007, sequence version 1.
DT   25-MAY-2022, entry version 72.
DE   RecName: Full=Transcriptional repressor NrdR {ECO:0000255|HAMAP-Rule:MF_00440};
GN   Name=nrdR {ECO:0000255|HAMAP-Rule:MF_00440};
GN   OrderedLocusNames=SynRCC307_0416;
OS   Synechococcus sp. (strain RCC307).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC   unclassified Synechococcus.
OX   NCBI_TaxID=316278;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RCC307;
RG   Genoscope;
RL   Submitted (MAY-2006) to the EMBL/GenBank/DDBJ databases.
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; CT978603; CAK27319.1; -; Genomic_DNA.
DR   RefSeq; WP_011934834.1; NC_009482.1.
DR   AlphaFoldDB; A5GR10; -.
DR   SMR; A5GR10; -.
DR   STRING; 316278.SynRCC307_0416; -.
DR   EnsemblBacteria; CAK27319; CAK27319; SynRCC307_0416.
DR   KEGG; syr:SynRCC307_0416; -.
DR   eggNOG; COG1327; Bacteria.
DR   HOGENOM; CLU_108412_0_0_3; -.
DR   OMA; YRFTTYE; -.
DR   OrthoDB; 1551627at2; -.
DR   Proteomes; UP000001115; 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..161
FT                   /note="Transcriptional repressor NrdR"
FT                   /id="PRO_1000080849"
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   161 AA;  18469 MW;  D16F3B6FAB7CFFDF CRC64;
     MQCPSCQHTD SRVLESRAAD SGKSVRRRRE CLNCEFRFTT YERVETMTIT VVKRSGTRET
     FSRSKLLTGL VRACEKTGLE TNRLELLVEE IELQLQQRNQ KEITSQQLGD LVLEELGDLS
     EVAYVRFASV YGKFSGISDF ITTLDALRQR NQVKRQLAKI S