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ISCR_PHOPR
ID   ISCR_PHOPR              Reviewed;         172 AA.
AC   Q6LU63;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 101.
DE   RecName: Full=HTH-type transcriptional regulator IscR {ECO:0000255|HAMAP-Rule:MF_01176};
GN   Name=iscR {ECO:0000255|HAMAP-Rule:MF_01176}; OrderedLocusNames=PBPRA0749;
OS   Photobacterium profundum (strain SS9).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Photobacterium.
OX   NCBI_TaxID=298386;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1253 / SS9;
RX   PubMed=15746425; DOI=10.1126/science.1103341;
RA   Vezzi A., Campanaro S., D'Angelo M., Simonato F., Vitulo N., Lauro F.M.,
RA   Cestaro A., Malacrida G., Simionati B., Cannata N., Romualdi C.,
RA   Bartlett D.H., Valle G.;
RT   "Life at depth: Photobacterium profundum genome sequence and expression
RT   analysis.";
RL   Science 307:1459-1461(2005).
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; CR378665; CAG19162.1; -; Genomic_DNA.
DR   RefSeq; WP_011217505.1; NC_006370.1.
DR   AlphaFoldDB; Q6LU63; -.
DR   SMR; Q6LU63; -.
DR   STRING; 298386.PBPRA0749; -.
DR   EnsemblBacteria; CAG19162; CAG19162; PBPRA0749.
DR   KEGG; ppr:PBPRA0749; -.
DR   eggNOG; COG1959; Bacteria.
DR   HOGENOM; CLU_107144_0_0_6; -.
DR   OMA; YGLTIMM; -.
DR   OrthoDB; 1794390at2; -.
DR   Proteomes; UP000000593; Chromosome 1.
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   Reference proteome; Repressor; Transcription; Transcription regulation.
FT   CHAIN           1..172
FT                   /note="HTH-type transcriptional regulator IscR"
FT                   /id="PRO_0000268920"
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   172 AA;  18524 MW;  158642021A6C0315 CRC64;
     MRLTSKGRYA VTAMLDVALH SQDGPVPLAD ISERQGISLS YLEQLFSRLR KAGLVASVRG
     PGGGYRLGED ANDIAVGMVI AAVDESVDAT KCHGKADCQG GVRCLTHTLW HDLSSRISGF
     LNNITLGELM RDNNVQEISG RQDQVLSNSS LRTSFGHKKT HDSTTIGVDV RS
 
 
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