ID   ISCR_YERPA              Reviewed;         164 AA.
AC   Q1C5G9;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   11-JUL-2006, sequence version 1.
DT   03-AUG-2022, entry version 97.
DE   RecName: Full=HTH-type transcriptional regulator IscR {ECO:0000255|HAMAP-Rule:MF_01176};
GN   Name=iscR {ECO:0000255|HAMAP-Rule:MF_01176}; OrderedLocusNames=YPA_2338;
OS   Yersinia pestis bv. Antiqua (strain Antiqua).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Yersiniaceae; Yersinia.
OX   NCBI_TaxID=360102;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Antiqua;
RX   PubMed=16740952; DOI=10.1128/jb.00124-06;
RA   Chain P.S.G., Hu P., Malfatti S.A., Radnedge L., Larimer F., Vergez L.M.,
RA   Worsham P., Chu M.C., Andersen G.L.;
RT   "Complete genome sequence of Yersinia pestis strains Antiqua and Nepal516:
RT   evidence of gene reduction in an emerging pathogen.";
RL   J. Bacteriol. 188:4453-4463(2006).
CC   -!- FUNCTION: Regulates the transcription of several operons and genes
CC       involved in the biogenesis of Fe-S clusters and Fe-S-containing
CC       proteins. {ECO:0000255|HAMAP-Rule:MF_01176}.
CC   -!- COFACTOR:
CC       Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01176};
CC       Note=Binds 1 [2Fe-2S] cluster. {ECO:0000255|HAMAP-Rule:MF_01176};
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DR   EMBL; CP000308; ABG14303.1; -; Genomic_DNA.
DR   RefSeq; WP_002222202.1; NZ_CP009906.1.
DR   AlphaFoldDB; Q1C5G9; -.
DR   SMR; Q1C5G9; -.
DR   EnsemblBacteria; ABG14303; ABG14303; YPA_2338.
DR   GeneID; 66844718; -.
DR   KEGG; ypa:YPA_2338; -.
DR   OMA; YGLTIMM; -.
DR   Proteomes; UP000001971; 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   Gene3D; 1.10.10.10; -; 1.
DR   HAMAP; MF_01176; HTH_type_IscR; 1.
DR   InterPro; IPR010242; TF_HTH_IscR.
DR   InterPro; IPR030489; TR_Rrf2-type_CS.
DR   InterPro; IPR000944; Tscrpt_reg_Rrf2.
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; TIGR02010; IscR; 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; Activator; DNA-binding; Iron; Iron-sulfur; Metal-binding;
KW   Repressor; Transcription; Transcription regulation.
FT   CHAIN           1..164
FT                   /note="HTH-type transcriptional regulator IscR"
FT                   /id="PRO_0000268936"
FT   DOMAIN          2..131
FT                   /note="HTH rrf2-type"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01176"
FT   DNA_BIND        28..51
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01176"
FT   REGION          143..164
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        148..164
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         92
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01176"
FT   BINDING         98
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01176"
FT   BINDING         104
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01176"
SQ   SEQUENCE   164 AA;  17765 MW;  FA051C96DE1B8A9D CRC64;
     MRLTSKGRYA VTAMLDVALH SQDGPVPLAD ISERQGISLS YLEQLFSRLR KNGLVASVRG
     PGGGYLLGKD ASAIAVGAVI TAVDESVDAT RCQGKEGCQG GNRCLTHTLW RDLSERISSF
     LNNITLAELV NNQDILEVAD RQNNDTRRTA NGRPQETINV NLRA