ID   NRDR_CHLTA              Reviewed;         154 AA.
AC   Q3KLU7;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   08-NOV-2005, sequence version 1.
DT   25-MAY-2022, entry version 89.
DE   RecName: Full=Transcriptional repressor NrdR {ECO:0000255|HAMAP-Rule:MF_00440};
GN   Name=nrdR {ECO:0000255|HAMAP-Rule:MF_00440}; OrderedLocusNames=CTA_0441;
OS   Chlamydia trachomatis serovar A (strain ATCC VR-571B / DSM 19440 / HAR-13).
OC   Bacteria; Chlamydiae; Chlamydiales; Chlamydiaceae;
OC   Chlamydia/Chlamydophila group; Chlamydia.
OX   NCBI_TaxID=315277;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC VR-571B / DSM 19440 / HAR-13;
RX   PubMed=16177312; DOI=10.1128/iai.73.10.6407-6418.2005;
RA   Carlson J.H., Porcella S.F., McClarty G., Caldwell H.D.;
RT   "Comparative genomic analysis of Chlamydia trachomatis oculotropic and
RT   genitotropic strains.";
RL   Infect. Immun. 73:6407-6418(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; CP000051; AAX50675.1; -; Genomic_DNA.
DR   RefSeq; WP_009871758.1; NC_007429.1.
DR   AlphaFoldDB; Q3KLU7; -.
DR   SMR; Q3KLU7; -.
DR   EnsemblBacteria; AAX50675; AAX50675; CTA_0441.
DR   KEGG; cta:CTA_0441; -.
DR   HOGENOM; CLU_108412_0_0_0; -.
DR   OMA; YRFTTYE; -.
DR   Proteomes; UP000002532; 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..154
FT                   /note="Transcriptional repressor NrdR"
FT                   /id="PRO_0000230861"
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   154 AA;  17660 MW;  C2CEC7F76A2F4C8B CRC64;
     MLCPFCNHGE LKVIDSRNAP ESNAIKRRRE CLRCSQRFTT FETVELTVQV LKRDGRYENF
     QESKLVNGLK AASSHTRIGQ EQVQAIASNI KQDLLGKQNR EISTKEIGEL VMKYLKKADM
     IAYIRFACVY RRFKDVGELM EVLLSATPDG EKQT