ISCR_ECOHS
ID ISCR_ECOHS Reviewed; 162 AA.
AC A8A337;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 23-OCT-2007, sequence version 1.
DT 03-AUG-2022, entry version 86.
DE RecName: Full=HTH-type transcriptional regulator IscR {ECO:0000255|HAMAP-Rule:MF_01176};
GN Name=iscR {ECO:0000255|HAMAP-Rule:MF_01176}; OrderedLocusNames=EcHS_A2682;
OS Escherichia coli O9:H4 (strain HS).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=331112;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HS;
RX PubMed=18676672; DOI=10.1128/jb.00619-08;
RA Rasko D.A., Rosovitz M.J., Myers G.S.A., Mongodin E.F., Fricke W.F.,
RA Gajer P., Crabtree J., Sebaihia M., Thomson N.R., Chaudhuri R.,
RA Henderson I.R., Sperandio V., Ravel J.;
RT "The pangenome structure of Escherichia coli: comparative genomic analysis
RT of E. coli commensal and pathogenic isolates.";
RL J. Bacteriol. 190:6881-6893(2008).
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; CP000802; ABV06941.1; -; Genomic_DNA.
DR RefSeq; WP_001241356.1; NC_009800.1.
DR AlphaFoldDB; A8A337; -.
DR SMR; A8A337; -.
DR GeneID; 66673581; -.
DR KEGG; ecx:EcHS_A2682; -.
DR HOGENOM; CLU_107144_0_0_6; -.
DR OMA; YGLTIMM; -.
DR Proteomes; UP000001123; 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..162
FT /note="HTH-type transcriptional regulator IscR"
FT /id="PRO_1000085416"
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 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 162 AA; 17349 MW; DE828D553774E3BD CRC64;
MRLTSKGRYA VTAMLDVALN SEAGPVPLAD ISERQGISLS YLEQLFSRLR KNGLVSSVRG
PGGGYLLGKD ASSIAVGEVI SAVDESVDAT RCQGKGGCQG GDKCLTHALW RDLSDRLTGF
LNNITLGELV NNQEVLDVSG RQHTHDAPRT RIQDAIDVKL RA