ISCR_KLEP3
ID ISCR_KLEP3 Reviewed; 163 AA.
AC B5XNJ6;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 25-NOV-2008, sequence version 1.
DT 03-AUG-2022, entry version 76.
DE RecName: Full=HTH-type transcriptional regulator IscR {ECO:0000255|HAMAP-Rule:MF_01176};
GN Name=iscR {ECO:0000255|HAMAP-Rule:MF_01176}; OrderedLocusNames=KPK_1256;
OS Klebsiella pneumoniae (strain 342).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Klebsiella/Raoultella group; Klebsiella.
OX NCBI_TaxID=507522;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=342;
RX PubMed=18654632; DOI=10.1371/journal.pgen.1000141;
RA Fouts D.E., Tyler H.L., DeBoy R.T., Daugherty S., Ren Q., Badger J.H.,
RA Durkin A.S., Huot H., Shrivastava S., Kothari S., Dodson R.J., Mohamoud Y.,
RA Khouri H., Roesch L.F.W., Krogfelt K.A., Struve C., Triplett E.W.,
RA Methe B.A.;
RT "Complete genome sequence of the N2-fixing broad host range endophyte
RT Klebsiella pneumoniae 342 and virulence predictions verified in mice.";
RL PLoS Genet. 4:E1000141-E1000141(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; CP000964; ACI09948.1; -; Genomic_DNA.
DR AlphaFoldDB; B5XNJ6; -.
DR SMR; B5XNJ6; -.
DR EnsemblBacteria; ACI09948; ACI09948; KPK_1256.
DR KEGG; kpe:KPK_1256; -.
DR HOGENOM; CLU_107144_0_0_6; -.
DR OMA; YGLTIMM; -.
DR OrthoDB; 1794390at2; -.
DR Proteomes; UP000001734; 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..163
FT /note="HTH-type transcriptional regulator IscR"
FT /id="PRO_1000138103"
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 163 AA; 17581 MW; 3F70EFFE971DA31E CRC64;
MRLTSKGRYA VTAMLDVALN SETGPVPLAD ISERQGISLS YLEQLFSRLR KNGLVSSVRG
PGGGYLLGKD ASSIAVGEVI SAVDESVDAT RCQGKGGCQG GDKCLTHALW RDLSERLTGF
LNNITLGELV NNQEILDVSG RQHQHETQRN ARTQDAIDVK LRA
