ID   SDX_SULTO               Reviewed;         109 AA.
AC   Q9HH83; F9VN71; Q9UWI3;
DT   26-SEP-2001, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   03-AUG-2022, entry version 112.
DE   RecName: Full=Sulredoxin;
DE   AltName: Full=Pink FeS protein;
GN   Name=sdx; OrderedLocusNames=STK_07180;
OS   Sulfurisphaera tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7)
OS   (Sulfolobus tokodaii).
OC   Archaea; Crenarchaeota; Thermoprotei; Sulfolobales; Sulfolobaceae;
OC   Sulfurisphaera.
OX   NCBI_TaxID=273063;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=DSM 16993 / JCM 10545 / NBRC 100140 / 7;
RA   Iwasaki T., Iwasaki H., Hayashi-Iwasaki Y., Oshima T., Dikanov S.A.;
RT   "Sulredoxin from the thermoacidophilic archaeon Sulfolobus sp. strain 7 is
RT   a novel water-soluble Rieske (2Fe-2S) protein: primary structure and
RT   one- and two-dimensional electron spin-echo envelope modulation
RT   spectroscopic studies.";
RL   Submitted (FEB-1999) to the EMBL/GenBank/DDBJ databases.
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 16993 / JCM 10545 / NBRC 100140 / 7;
RX   PubMed=11572479; DOI=10.1093/dnares/8.4.123;
RA   Kawarabayasi Y., Hino Y., Horikawa H., Jin-no K., Takahashi M., Sekine M.,
RA   Baba S., Ankai A., Kosugi H., Hosoyama A., Fukui S., Nagai Y.,
RA   Nishijima K., Otsuka R., Nakazawa H., Takamiya M., Kato Y., Yoshizawa T.,
RA   Tanaka T., Kudoh Y., Yamazaki J., Kushida N., Oguchi A., Aoki K.,
RA   Masuda S., Yanagii M., Nishimura M., Yamagishi A., Oshima T., Kikuchi H.;
RT   "Complete genome sequence of an aerobic thermoacidophilic Crenarchaeon,
RT   Sulfolobus tokodaii strain7.";
RL   DNA Res. 8:123-140(2001).
RN   [3]
RP   PROTEIN SEQUENCE OF 2-22, CHARACTERIZATION, AND MASS SPECTROMETRY.
RC   STRAIN=DSM 16993 / JCM 10545 / NBRC 100140 / 7;
RX   PubMed=7730295; DOI=10.1128/jb.177.9.2576-2582.1995;
RA   Iwasaki T., Isogai Y., Iizuka T., Oshima T.;
RT   "Sulredoxin: a novel iron-sulfur protein of the thermoacidophilic archaeon
RT   Sulfolobus sp. strain 7 with a Rieske-type [2Fe-2S] center.";
RL   J. Bacteriol. 177:2576-2582(1995).
RN   [4]
RP   CHARACTERIZATION.
RC   STRAIN=DSM 16993 / JCM 10545 / NBRC 100140 / 7;
RX   PubMed=8910356; DOI=10.1074/jbc.271.44.27659;
RA   Iwasaki T., Imai T., Urushiyama A., Oshima T.;
RT   "Redox-linked ionization of sulredoxin, an archaeal Rieske-type (2Fe-2S)
RT   protein from Sulfolobus sp. strain 7.";
RL   J. Biol. Chem. 271:27659-27663(1996).
CC   -!- FUNCTION: Not yet known.
CC   -!- COFACTOR:
CC       Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135;
CC       Note=Binds 1 [2Fe-2S] cluster per subunit.;
CC   -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC       Redox potential:
CC         E(0) is +188 +/- 9 mV.;
CC   -!- SUBUNIT: Homooligomeric.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm.
CC   -!- MASS SPECTROMETRY: Mass=12154.5; Method=Electrospray;
CC       Evidence={ECO:0000269|PubMed:7730295};
CC   -!- SIMILARITY: Belongs to the SDX family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=BAB18678.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AB023295; BAB18678.1; ALT_INIT; Genomic_DNA.
DR   EMBL; BA000023; BAK54368.1; -; Genomic_DNA.
DR   RefSeq; WP_052846395.1; NC_003106.2.
DR   AlphaFoldDB; Q9HH83; -.
DR   SMR; Q9HH83; -.
DR   STRING; 273063.STK_07180; -.
DR   EnsemblBacteria; BAK54368; BAK54368; STK_07180.
DR   GeneID; 54122462; -.
DR   KEGG; sto:STK_07180; -.
DR   PATRIC; fig|273063.9.peg.810; -.
DR   eggNOG; arCOG02854; Archaea.
DR   OMA; CPCHHAV; -.
DR   OrthoDB; 102560at2157; -.
DR   Proteomes; UP000001015; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0051537; F:2 iron, 2 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0016491; F:oxidoreductase activity; IEA:UniProtKB-KW.
DR   Gene3D; 2.102.10.10; -; 1.
DR   InterPro; IPR017941; Rieske_2Fe-2S.
DR   InterPro; IPR036922; Rieske_2Fe-2S_sf.
DR   Pfam; PF00355; Rieske; 1.
DR   SUPFAM; SSF50022; SSF50022; 1.
DR   PROSITE; PS51296; RIESKE; 1.
PE   1: Evidence at protein level;
KW   2Fe-2S; Cytoplasm; Direct protein sequencing; Electron transport; Iron;
KW   Iron-sulfur; Metal-binding; Oxidoreductase; Reference proteome; Transport.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000269|PubMed:7730295"
FT   CHAIN           2..109
FT                   /note="Sulredoxin"
FT                   /id="PRO_0000127796"
FT   DOMAIN          3..107
FT                   /note="Rieske"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00628"
FT   BINDING         43
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00628"
FT   BINDING         45
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00628"
FT   BINDING         62
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00628"
FT   BINDING         65
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00628"
FT   CONFLICT        14
FT                   /note="K -> R (in Ref. 3; AA sequence)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   109 AA;  12238 MW;  4CDA25792F95C1CF CRC64;
     MVWKRTISAK ALEKAKSAAV KVDDKVIFIA NVNGNLYAMD AVCSHARCIL GKLDEEKLTV
     RCYCHLALFD LRTGQMLEPP YVAPDAPKEK LGLKTYQIRD NNGWIEVDV