ID   FUR_SYNY3               Reviewed;         165 AA.
AC   P74739;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1997, sequence version 1.
DT   03-AUG-2022, entry version 125.
DE   RecName: Full=Ferric uptake regulation protein;
DE            Short=Ferric uptake regulator;
GN   Name=fur; OrderedLocusNames=sll0567;
OS   Synechocystis sp. (strain PCC 6803 / Kazusa).
OC   Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC   unclassified Synechocystis.
OX   NCBI_TaxID=1111708;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA   Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA   Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA   Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA   Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT   genome and assignment of potential protein-coding regions.";
RL   DNA Res. 3:109-136(1996).
CC   -!- FUNCTION: Acts as a global negative controlling element, employing
CC       Fe(2+) as a cofactor to bind the operator of the repressed genes.
CC       {ECO:0000250}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the Fur family. {ECO:0000305}.
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DR   EMBL; BA000022; BAA18859.1; -; Genomic_DNA.
DR   PIR; S76947; S76947.
DR   AlphaFoldDB; P74739; -.
DR   SMR; P74739; -.
DR   STRING; 1148.1653949; -.
DR   PaxDb; P74739; -.
DR   EnsemblBacteria; BAA18859; BAA18859; BAA18859.
DR   KEGG; syn:sll0567; -.
DR   eggNOG; COG0735; Bacteria.
DR   InParanoid; P74739; -.
DR   OMA; HDHVILT; -.
DR   PhylomeDB; P74739; -.
DR   Proteomes; UP000001425; Chromosome.
DR   CollecTF; EXPREG_00000c10; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003700; F:DNA-binding transcription factor activity; IBA:GO_Central.
DR   GO; GO:0000976; F:transcription cis-regulatory region binding; IBA:GO_Central.
DR   GO; GO:0008270; F:zinc ion binding; IBA:GO_Central.
DR   GO; GO:0045892; P:negative regulation of transcription, DNA-templated; IEP:CollecTF.
DR   GO; GO:1900376; P:regulation of secondary metabolite biosynthetic process; IBA:GO_Central.
DR   CDD; cd07153; Fur_like; 1.
DR   Gene3D; 1.10.10.10; -; 1.
DR   Gene3D; 3.30.1490.190; -; 1.
DR   InterPro; IPR002481; FUR.
DR   InterPro; IPR043135; Fur_C.
DR   InterPro; IPR036388; WH-like_DNA-bd_sf.
DR   InterPro; IPR036390; WH_DNA-bd_sf.
DR   PANTHER; PTHR33202; PTHR33202; 1.
DR   Pfam; PF01475; FUR; 1.
DR   SUPFAM; SSF46785; SSF46785; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; DNA-binding; Iron; Metal-binding; Reference proteome; Repressor;
KW   Transcription; Transcription regulation; Zinc.
FT   CHAIN           1..165
FT                   /note="Ferric uptake regulation protein"
FT                   /id="PRO_0000095583"
FT   REGION          1..91
FT                   /note="DNA-binding"
FT                   /evidence="ECO:0000250"
FT   REGION          92..165
FT                   /note="Dimerization"
FT                   /evidence="ECO:0000250"
FT   BINDING         38
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         86
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         94
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000250"
FT   BINDING         96
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000250"
FT   BINDING         97
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         100
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         103
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         108
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   165 AA;  19072 MW;  5F1A54D89336BA14 CRC64;
     MSYTADSLKA ELNARGWRLT PQREKILTIF QNLPEGEHLS AEELHHRLEE EREKISLSTV
     YRSVKLMSRM GILRELELAE GHKHYELQQA SPHHHHHVVC VQCNRTIEFK NDSILKQSLK
     QCEKEGFQLI DCQLTVTTIC PEAIRMGWPS TLPSNWACTR SISLA