ID   NRDR_HISS2              Reviewed;         149 AA.
AC   B0UUR2;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, 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}; OrderedLocusNames=HSM_1535;
OS   Histophilus somni (strain 2336) (Haemophilus somnus).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Histophilus.
OX   NCBI_TaxID=228400;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=2336;
RG   US DOE Joint Genome Institute;
RA   Siddaramappa S., Duncan A.J., Challacombe J.F., Rainey D., Gillaspy A.F.,
RA   Carson M., Gipson J., Gipson M., Bruce D., Detter J.C., Han C.S., Land M.,
RA   Tapia R., Thompson L.S., Orvis J., Zaitshik J., Barnes G., Brettin T.S.,
RA   Dyer D.W., Inzana T.J.;
RT   "Complete sequence of Haemophilus somnus 2336.";
RL   Submitted (FEB-2008) 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; CP000947; ACA31291.1; -; Genomic_DNA.
DR   RefSeq; WP_011609206.1; NC_010519.1.
DR   AlphaFoldDB; B0UUR2; -.
DR   SMR; B0UUR2; -.
DR   STRING; 228400.HSM_1535; -.
DR   EnsemblBacteria; ACA31291; ACA31291; HSM_1535.
DR   GeneID; 56964708; -.
DR   KEGG; hsm:HSM_1535; -.
DR   HOGENOM; CLU_108412_0_0_6; -.
DR   OMA; YRFTTYE; -.
DR   OrthoDB; 1551627at2; -.
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..149
FT                   /note="Transcriptional repressor NrdR"
FT                   /id="PRO_1000080756"
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   149 AA;  17398 MW;  EDC0CF04DBAAD8FA CRC64;
     MRCPFCAMEE TKVIDSRLVS DGYQVRRRRE CGYCHERFTT FESAEVIVPK IIKNDGSREP
     FDEDKLRRGI QHALEKRPVS SDDVEKAISR IIYQLRATGE RDVKSQDVGR LVMAELKELD
     KVAYIRFASV YLSFDDINQF TNEIEKLKD