ID   RUBR3_CHLTE             Reviewed;          53 AA.
AC   P58025;
DT   27-APR-2001, integrated into UniProtKB/Swiss-Prot.
DT   30-AUG-2002, sequence version 2.
DT   03-AUG-2022, entry version 113.
DE   RecName: Full=Rubredoxin 3;
DE            Short=Rd 3;
GN   Name=rub3; Synonyms=rbr-3, rub; OrderedLocusNames=CT2024;
OS   Chlorobaculum tepidum (strain ATCC 49652 / DSM 12025 / NBRC 103806 / TLS)
OS   (Chlorobium tepidum).
OC   Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae; Chlorobaculum.
OX   NCBI_TaxID=194439;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49652 / DSM 12025 / NBRC 103806 / TLS;
RX   PubMed=12093901; DOI=10.1073/pnas.132181499;
RA   Eisen J.A., Nelson K.E., Paulsen I.T., Heidelberg J.F., Wu M., Dodson R.J.,
RA   DeBoy R.T., Gwinn M.L., Nelson W.C., Haft D.H., Hickey E.K., Peterson J.D.,
RA   Durkin A.S., Kolonay J.F., Yang F., Holt I.E., Umayam L.A., Mason T.M.,
RA   Brenner M., Shea T.P., Parksey D.S., Nierman W.C., Feldblyum T.V.,
RA   Hansen C.L., Craven M.B., Radune D., Vamathevan J.J., Khouri H.M.,
RA   White O., Gruber T.M., Ketchum K.A., Venter J.C., Tettelin H., Bryant D.A.,
RA   Fraser C.M.;
RT   "The complete genome sequence of Chlorobium tepidum TLS, a photosynthetic,
RT   anaerobic, green-sulfur bacterium.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:9509-9514(2002).
RN   [2]
RP   PROTEIN SEQUENCE OF 1-17, AND CHARACTERIZATION.
RX   PubMed=10514453; DOI=10.1074/jbc.274.42.29772;
RA   Yoon K.-S., Hille R., Hemann C., Tabita F.R.;
RT   "Rubredoxin from the green sulfur bacterium Chlorobium tepidum functions as
RT   an electron acceptor for pyruvate ferredoxin oxidoreductase.";
RL   J. Biol. Chem. 274:29772-29778(1999).
CC   -!- FUNCTION: Functions as an electron acceptor for pyruvate ferredoxin
CC       oxidoreductase (PFOR).
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   -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC       Redox potential:
CC         E(0) is -87 mV.;
CC   -!- SUBUNIT: Monomer.
CC   -!- SIMILARITY: Belongs to the rubredoxin family. {ECO:0000305}.
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DR   EMBL; AE006470; AAM73241.1; -; Genomic_DNA.
DR   RefSeq; NP_662899.1; NC_002932.3.
DR   RefSeq; WP_010933679.1; NC_002932.3.
DR   AlphaFoldDB; P58025; -.
DR   SMR; P58025; -.
DR   STRING; 194439.CT2024; -.
DR   EnsemblBacteria; AAM73241; AAM73241; CT2024.
DR   KEGG; cte:CT2024; -.
DR   PATRIC; fig|194439.7.peg.1834; -.
DR   eggNOG; COG1773; Bacteria.
DR   HOGENOM; CLU_128747_3_3_10; -.
DR   OMA; CLECHYI; -.
DR   OrthoDB; 2047418at2; -.
DR   Proteomes; UP000001007; Chromosome.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR   CDD; cd00730; rubredoxin; 1.
DR   InterPro; IPR024922; Rubredoxin.
DR   InterPro; IPR024934; Rubredoxin-like_dom.
DR   InterPro; IPR024935; Rubredoxin_dom.
DR   InterPro; IPR018527; Rubredoxin_Fe_BS.
DR   Pfam; PF00301; Rubredoxin; 1.
DR   PIRSF; PIRSF000071; Rubredoxin; 1.
DR   PRINTS; PR00163; RUBREDOXIN.
DR   PROSITE; PS00202; RUBREDOXIN; 1.
DR   PROSITE; PS50903; RUBREDOXIN_LIKE; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Electron transport; Iron; Metal-binding;
KW   Reference proteome; Transport.
FT   CHAIN           1..53
FT                   /note="Rubredoxin 3"
FT                   /id="PRO_0000135028"
FT   DOMAIN          1..53
FT                   /note="Rubredoxin-like"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00241"
FT   BINDING         6
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00241"
FT   BINDING         9
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00241"
FT   BINDING         39
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00241"
FT   BINDING         42
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00241"
SQ   SEQUENCE   53 AA;  5869 MW;  17C485B801D8AC60 CRC64;
     MQKWVCVPCG YEYDPADGDP ENGIEPGTAF EDLPEDWVCP VCGVDKSFFE PVS