ID ISCR_VIBPA Reviewed; 168 AA.
AC Q87S29;
DT 12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2003, sequence version 1.
DT 27-MAR-2024, entry version 115.
DE RecName: Full=HTH-type transcriptional regulator IscR {ECO:0000255|HAMAP-Rule:MF_01176};
GN Name=iscR {ECO:0000255|HAMAP-Rule:MF_01176}; OrderedLocusNames=VP0595;
OS Vibrio parahaemolyticus serotype O3:K6 (strain RIMD 2210633).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC Vibrio.
OX NCBI_TaxID=223926;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=RIMD 2210633;
RX PubMed=12620739; DOI=10.1016/s0140-6736(03)12659-1;
RA Makino K., Oshima K., Kurokawa K., Yokoyama K., Uda T., Tagomori K.,
RA Iijima Y., Najima M., Nakano M., Yamashita A., Kubota Y., Kimura S.,
RA Yasunaga T., Honda T., Shinagawa H., Hattori M., Iida T.;
RT "Genome sequence of Vibrio parahaemolyticus: a pathogenic mechanism
RT distinct from that of V. cholerae.";
RL Lancet 361:743-749(2003).
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; BA000031; BAC58858.1; -; Genomic_DNA.
DR RefSeq; NP_796974.1; NC_004603.1.
DR RefSeq; WP_005496331.1; NC_004603.1.
DR AlphaFoldDB; Q87S29; -.
DR SMR; Q87S29; -.
DR GeneID; 1188070; -.
DR KEGG; vpa:VP0595; -.
DR PATRIC; fig|223926.6.peg.564; -.
DR eggNOG; COG1959; Bacteria.
DR HOGENOM; CLU_107144_0_0_6; -.
DR Proteomes; UP000002493; 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; Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain; 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 NCBIfam; TIGR02010; IscR; 1.
DR NCBIfam; TIGR00738; rrf2_super; 1.
DR PANTHER; PTHR33221:SF5; HTH-TYPE TRANSCRIPTIONAL REGULATOR ISCR; 1.
DR PANTHER; PTHR33221; WINGED HELIX-TURN-HELIX TRANSCRIPTIONAL REGULATOR, RRF2 FAMILY; 1.
DR Pfam; PF02082; Rrf2; 1.
DR SUPFAM; SSF46785; Winged helix' DNA-binding domain; 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..168
FT /note="HTH-type transcriptional regulator IscR"
FT /id="PRO_0000268931"
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 168 AA; 17850 MW; 05FFC87750F0F9B3 CRC64;
MKLTSKGRYA VTAMLDVALH SQQNPVPLAD ISERQGISLS YLEQLFSKLR KAGLVASVRG
PGGGYRLGAD AHSIAIGTVI AAVDESVDAT KCQGKGDCQG GTRCLTHTLW RDLSSRISDF
LNNITLGELM TDNEVLEISD RQDIGLAVTH GLSNKNTTAA PIGVNVRS
//
