ID   RUBR_SYNY3              Reviewed;         115 AA.
AC   P73068;
DT   27-APR-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1997, sequence version 1.
DT   03-AUG-2022, entry version 120.
DE   RecName: Full=Rubredoxin;
DE            Short=Rd;
GN   Name=rub; OrderedLocusNames=slr2033;
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: Rubredoxin is a small nonheme, iron protein lacking acid-
CC       labile sulfide. Its single Fe, chelated to 4 Cys, functions as an
CC       electron acceptor and may also stabilize the conformation of the
CC       molecule. Could be involved in hydrogenase-linked redox processes (By
CC       similarity). {ECO:0000250}.
CC   -!- COFACTOR:
CC       Name=Fe(3+); Xref=ChEBI:CHEBI:29034; Evidence={ECO:0000250};
CC       Note=Binds 1 Fe(3+) ion per subunit. {ECO:0000250};
CC   -!- SIMILARITY: Belongs to the rubredoxin family. {ECO:0000305}.
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DR   EMBL; BA000022; BAA17090.1; -; Genomic_DNA.
DR   PIR; S75176; S75176.
DR   AlphaFoldDB; P73068; -.
DR   SMR; P73068; -.
DR   IntAct; P73068; 4.
DR   STRING; 1148.1652166; -.
DR   PaxDb; P73068; -.
DR   EnsemblBacteria; BAA17090; BAA17090; BAA17090.
DR   KEGG; syn:slr2033; -.
DR   eggNOG; COG1773; Bacteria.
DR   InParanoid; P73068; -.
DR   OMA; PVCRAGK; -.
DR   PhylomeDB; P73068; -.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0009055; F:electron transfer activity; IBA:GO_Central.
DR   GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR   GO; GO:0043448; P:alkane catabolic process; IBA:GO_Central.
DR   CDD; cd00730; rubredoxin; 1.
DR   InterPro; IPR024934; Rubredoxin-like_dom.
DR   InterPro; IPR024935; Rubredoxin_dom.
DR   InterPro; IPR018527; Rubredoxin_Fe_BS.
DR   Pfam; PF00301; Rubredoxin; 1.
DR   PRINTS; PR00163; RUBREDOXIN.
DR   PROSITE; PS00202; RUBREDOXIN; 1.
DR   PROSITE; PS50903; RUBREDOXIN_LIKE; 1.
PE   3: Inferred from homology;
KW   Electron transport; Iron; Metal-binding; Reference proteome; Transport.
FT   CHAIN           1..115
FT                   /note="Rubredoxin"
FT                   /id="PRO_0000135053"
FT   DOMAIN          15..66
FT                   /note="Rubredoxin-like"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00241"
FT   BINDING         20
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00241"
FT   BINDING         23
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00241"
FT   BINDING         53
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00241"
FT   BINDING         56
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00241"
SQ   SEQUENCE   115 AA;  12570 MW;  E97A91FD5F590DD7 CRC64;
     MSERPPEKTL AELASPNHEC RACGYVYIPS QGDQKTSVSP GTPFEALPLN WKCPVCGAPR
     NYFISTGETD APSGFAENLN YGFGFNRMSG GKKNLLIFGS LFVIFLFFLS LYGMG