NSRR_SHIBS
ID NSRR_SHIBS Reviewed; 141 AA.
AC Q31TA8;
DT 12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT 06-DEC-2005, sequence version 1.
DT 03-AUG-2022, entry version 96.
DE RecName: Full=HTH-type transcriptional repressor NsrR {ECO:0000255|HAMAP-Rule:MF_01177};
GN Name=nsrR {ECO:0000255|HAMAP-Rule:MF_01177}; OrderedLocusNames=SBO_4278;
OS Shigella boydii serotype 4 (strain Sb227).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Shigella.
OX NCBI_TaxID=300268;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Sb227;
RX PubMed=16275786; DOI=10.1093/nar/gki954;
RA Yang F., Yang J., Zhang X., Chen L., Jiang Y., Yan Y., Tang X., Wang J.,
RA Xiong Z., Dong J., Xue Y., Zhu Y., Xu X., Sun L., Chen S., Nie H., Peng J.,
RA Xu J., Wang Y., Yuan Z., Wen Y., Yao Z., Shen Y., Qiang B., Hou Y., Yu J.,
RA Jin Q.;
RT "Genome dynamics and diversity of Shigella species, the etiologic agents of
RT bacillary dysentery.";
RL Nucleic Acids Res. 33:6445-6458(2005).
CC -!- FUNCTION: Nitric oxide-sensitive repressor of genes involved in
CC protecting the cell against nitrosative stress. May require iron for
CC activity. {ECO:0000255|HAMAP-Rule:MF_01177}.
CC -!- COFACTOR:
CC Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01177};
CC Note=Binds 1 [2Fe-2S] cluster per subunit. {ECO:0000255|HAMAP-
CC Rule:MF_01177};
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DR EMBL; CP000036; ABB68700.1; -; Genomic_DNA.
DR RefSeq; WP_001177639.1; NC_007613.1.
DR AlphaFoldDB; Q31TA8; -.
DR SMR; Q31TA8; -.
DR EnsemblBacteria; ABB68700; ABB68700; SBO_4278.
DR GeneID; 67414796; -.
DR KEGG; sbo:SBO_4278; -.
DR HOGENOM; CLU_107144_2_1_6; -.
DR OMA; AQEAFYA; -.
DR Proteomes; UP000007067; Chromosome.
DR GO; GO:0051537; F:2 iron, 2 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0003700; F:DNA-binding transcription factor activity; IEA:UniProtKB-UniRule.
DR GO; GO:0003690; F:double-stranded DNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0005506; F:iron ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0045892; P:negative regulation of transcription, DNA-templated; IEA:InterPro.
DR Gene3D; 1.10.10.10; -; 1.
DR HAMAP; MF_01177; HTH_type_NsrR; 1.
DR InterPro; IPR030489; TR_Rrf2-type_CS.
DR InterPro; IPR000944; Tscrpt_reg_Rrf2.
DR InterPro; IPR023761; Tscrpt_rep_HTH_NsrR.
DR InterPro; IPR036388; WH-like_DNA-bd_sf.
DR InterPro; IPR036390; WH_DNA-bd_sf.
DR PANTHER; PTHR33221; PTHR33221; 1.
DR Pfam; PF02082; Rrf2; 1.
DR SUPFAM; SSF46785; SSF46785; 1.
DR TIGRFAMs; TIGR00738; rrf2_super; 1.
DR PROSITE; PS01332; HTH_RRF2_1; 1.
DR PROSITE; PS51197; HTH_RRF2_2; 1.
PE 3: Inferred from homology;
KW 2Fe-2S; DNA-binding; Iron; Iron-sulfur; Metal-binding; Repressor;
KW Transcription; Transcription regulation.
FT CHAIN 1..141
FT /note="HTH-type transcriptional repressor NsrR"
FT /id="PRO_0000268948"
FT DOMAIN 2..129
FT /note="HTH rrf2-type"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01177"
FT DNA_BIND 28..51
FT /note="H-T-H motif"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01177"
FT BINDING 91
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01177"
FT BINDING 96
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01177"
FT BINDING 102
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01177"
SQ SEQUENCE 141 AA; 15593 MW; 6A783840023134D7 CRC64;
MQLTSFTDYG LRALIYMASL PEGRMTSISE VTDVYGVSRN HMVKIINQLS RAGYVTAVRG
KNGGIRLGKP ASAIRIGDVV RELEPLSLVN CSSEFCHITP ACRLKQALSK AVQSFLTELD
NYTLADLVEE NQPLYKLLLV E
