ID   NRDR_PARUW              Reviewed;         162 AA.
AC   Q6MA76;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
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=pc1799;
OS   Protochlamydia amoebophila (strain UWE25).
OC   Bacteria; Chlamydiae; Parachlamydiales; Parachlamydiaceae;
OC   Candidatus Protochlamydia.
OX   NCBI_TaxID=264201;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UWE25;
RX   PubMed=15073324; DOI=10.1126/science.1096330;
RA   Horn M., Collingro A., Schmitz-Esser S., Beier C.L., Purkhold U.,
RA   Fartmann B., Brandt P., Nyakatura G.J., Droege M., Frishman D., Rattei T.,
RA   Mewes H.-W., Wagner M.;
RT   "Illuminating the evolutionary history of chlamydiae.";
RL   Science 304:728-730(2004).
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; BX908798; CAF24523.1; -; Genomic_DNA.
DR   RefSeq; WP_011176344.1; NC_005861.1.
DR   AlphaFoldDB; Q6MA76; -.
DR   SMR; Q6MA76; -.
DR   STRING; 264201.pc1799; -.
DR   EnsemblBacteria; CAF24523; CAF24523; PC_RS08620.
DR   KEGG; pcu:PC_RS08620; -.
DR   eggNOG; COG1327; Bacteria.
DR   HOGENOM; CLU_108412_0_0_0; -.
DR   OMA; YRFTTYE; -.
DR   OrthoDB; 1551627at2; -.
DR   Proteomes; UP000000529; 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..162
FT                   /note="Transcriptional repressor NrdR"
FT                   /id="PRO_0000264195"
FT   DOMAIN          48..138
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   162 AA;  18755 MW;  AAB6385847E8A1C0 CRC64;
     MRCPFCQFEG LKVTDSRDAM EMNAIRRRRE CLNCLKRFTT FETIELTVQV QKRDGTYEDF
     QQHKLINGLA AACRHTKISH DQVISLAAQM TNELMQSQIQ QISTTQLGEM AMKHLQSLDP
     IAYIRFACVY KRFKDLGELE EAIKTIQSKD EDKSCSILKD LL