ID   NRDR_RIPO1              Reviewed;         179 AA.
AC   B7JX64;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   25-MAY-2022, entry version 66.
DE   RecName: Full=Transcriptional repressor NrdR {ECO:0000255|HAMAP-Rule:MF_00440};
GN   Name=nrdR {ECO:0000255|HAMAP-Rule:MF_00440};
GN   OrderedLocusNames=PCC8801_3071;
OS   Rippkaea orientalis (strain PCC 8801) (Cyanothece sp. (strain PCC 8801)).
OC   Bacteria; Cyanobacteria; Oscillatoriophycideae; Chroococcales;
OC   Aphanothecaceae; Rippkaea; Rippkaea orientalis.
OX   NCBI_TaxID=41431;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 8801;
RX   PubMed=21972240; DOI=10.1128/mbio.00214-11;
RA   Bandyopadhyay A., Elvitigala T., Welsh E., Stockel J., Liberton M., Min H.,
RA   Sherman L.A., Pakrasi H.B.;
RT   "Novel metabolic attributes of the genus Cyanothece, comprising a group of
RT   unicellular nitrogen-fixing Cyanobacteria.";
RL   MBio 2:E214-E214(2011).
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; CP001287; ACK67052.1; -; Genomic_DNA.
DR   RefSeq; WP_012596313.1; NC_011726.1.
DR   AlphaFoldDB; B7JX64; -.
DR   STRING; 41431.PCC8801_3071; -.
DR   EnsemblBacteria; ACK67052; ACK67052; PCC8801_3071.
DR   KEGG; cyp:PCC8801_3071; -.
DR   eggNOG; COG1327; Bacteria.
DR   HOGENOM; CLU_108412_0_0_3; -.
DR   OMA; YRFTTYE; -.
DR   OrthoDB; 1551627at2; -.
DR   Proteomes; UP000008204; 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..179
FT                   /note="Transcriptional repressor NrdR"
FT                   /id="PRO_1000124492"
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          160..179
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        162..179
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   179 AA;  20862 MW;  48DAE0AADEC6EDEB CRC64;
     MQCPYCQHTN SRVLESRSSE GGQSIRRRRE CLCCKHRFTT YERIEFVPIT VIKHDGKKES
     FDPSKLLRGM VRACEKTGIS YQKLETIVDD IEAQLQQRTQ REVTSQEIGQ LVLKYLRQEN
     EVAYIRFASV YGRFQGIKDF VDTLKQLQEE DLVPSETIWK PANDDFSEQE TPSTVMMPS