ID Q891C6_CLOTE Unreviewed; 140 AA.
AC Q891C6;
DT 01-JUN-2003, integrated into UniProtKB/TrEMBL.
DT 01-JUN-2003, sequence version 1.
DT 27-MAR-2024, entry version 100.
DE RecName: Full=Desulfoferrodoxin {ECO:0000256|ARBA:ARBA00014839};
DE EC=1.15.1.2 {ECO:0000256|ARBA:ARBA00012679};
DE AltName: Full=Superoxide reductase {ECO:0000256|ARBA:ARBA00031398};
GN OrderedLocusNames=CTC_02454 {ECO:0000313|EMBL:AAO36919.1};
OS Clostridium tetani (strain Massachusetts / E88).
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Clostridiaceae;
OC Clostridium.
OX NCBI_TaxID=212717 {ECO:0000313|EMBL:AAO36919.1, ECO:0000313|Proteomes:UP000001412};
RN [1] {ECO:0000313|EMBL:AAO36919.1, ECO:0000313|Proteomes:UP000001412}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Massachusetts / E88 {ECO:0000313|Proteomes:UP000001412};
RX PubMed=12552129; DOI=10.1073/pnas.0335853100;
RA Brueggemann H., Baumer S., Fricke W.F., Wiezer A., Liesegang H., Decker I.,
RA Herzberg C., Martinez-Arias R., Merkl R., Henne A., Gottschalk G.;
RT "The genome sequence of Clostridium tetani, the causative agent of tetanus
RT disease.";
RL Proc. Natl. Acad. Sci. U.S.A. 100:1316-1321(2003).
CC -!- FUNCTION: Catalyzes the one-electron reduction of superoxide anion
CC radical to hydrogen peroxide at a nonheme ferrous iron center. Plays a
CC fundamental role in case of oxidative stress via its superoxide
CC detoxification activity. {ECO:0000256|ARBA:ARBA00024690}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 H(+) + reduced [rubredoxin] + superoxide = H2O2 + oxidized
CC [rubredoxin]; Xref=Rhea:RHEA:21324, Rhea:RHEA-COMP:10302, Rhea:RHEA-
CC COMP:10303, ChEBI:CHEBI:15378, ChEBI:CHEBI:16240, ChEBI:CHEBI:18421,
CC ChEBI:CHEBI:29033, ChEBI:CHEBI:29034; EC=1.15.1.2;
CC Evidence={ECO:0000256|ARBA:ARBA00001133};
CC -!- COFACTOR:
CC Name=Cu(2+); Xref=ChEBI:CHEBI:29036;
CC Evidence={ECO:0000256|ARBA:ARBA00001973};
CC -!- COFACTOR:
CC Name=Fe(2+); Xref=ChEBI:CHEBI:29033;
CC Evidence={ECO:0000256|PIRSR:PIRSR604793-1};
CC Note=Binds 1 Fe(2+) ion per subunit. The iron ion 2 is coordinated via
CC four histidines and one cysteine residue.
CC {ECO:0000256|PIRSR:PIRSR604793-1};
CC -!- COFACTOR:
CC Name=Fe(3+); Xref=ChEBI:CHEBI:29034;
CC Evidence={ECO:0000256|PIRSR:PIRSR604793-1};
CC Note=Binds 1 Fe(3+) ion per subunit. The iron ion 1 is coordinated via
CC 4 cysteine residues. {ECO:0000256|PIRSR:PIRSR604793-1};
CC -!- SIMILARITY: Belongs to the desulfoferrodoxin family.
CC {ECO:0000256|ARBA:ARBA00005941}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; AE015927; AAO36919.1; -; Genomic_DNA.
DR AlphaFoldDB; Q891C6; -.
DR STRING; 212717.CTC_02454; -.
DR KEGG; ctc:CTC_02454; -.
DR HOGENOM; CLU_118960_1_0_9; -.
DR Proteomes; UP000001412; Chromosome.
DR GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR GO; GO:0050605; F:superoxide reductase activity; IEA:UniProtKB-EC.
DR GO; GO:0019430; P:removal of superoxide radicals; IEA:InterPro.
DR CDD; cd00974; DSRD; 1.
DR CDD; cd03171; SORL_Dfx_classI; 1.
DR Gene3D; 2.20.28.100; Desulphoferrodoxin, N-terminal domain; 1.
DR Gene3D; 2.60.40.730; SOR catalytic domain; 1.
DR InterPro; IPR002742; Desulfoferrodoxin_Fe-bd_dom.
DR InterPro; IPR036073; Desulfoferrodoxin_Fe-bd_dom_sf.
DR InterPro; IPR004462; Desulfoferrodoxin_N.
DR InterPro; IPR038094; Desulfoferrodoxin_N_sf.
DR InterPro; IPR004793; Desulfoferrodoxin_rbo.
DR NCBIfam; TIGR00319; desulf_FeS4; 1.
DR NCBIfam; TIGR00320; dfx_rbo; 1.
DR NCBIfam; TIGR00332; neela_ferrous; 1.
DR PANTHER; PTHR36541; SUPEROXIDE REDUCTASE-RELATED; 1.
DR PANTHER; PTHR36541:SF1; SUPEROXIDE REDUCTASE-RELATED; 1.
DR Pfam; PF06397; Desulfoferrod_N; 1.
DR Pfam; PF01880; Desulfoferrodox; 1.
DR SUPFAM; SSF57802; Rubredoxin-like; 1.
DR SUPFAM; SSF49367; Superoxide reductase-like; 1.
PE 3: Inferred from homology;
KW Electron transport {ECO:0000256|ARBA:ARBA00022982};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRSR:PIRSR604793-1};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR604793-1};
KW Reference proteome {ECO:0000313|Proteomes:UP000001412};
KW Transport {ECO:0000256|ARBA:ARBA00022448}.
FT DOMAIN 18..52
FT /note="Desulfoferrodoxin N-terminal"
FT /evidence="ECO:0000259|Pfam:PF06397"
FT DOMAIN 58..139
FT /note="Desulfoferrodoxin ferrous iron-binding"
FT /evidence="ECO:0000259|Pfam:PF01880"
FT BINDING 26
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604793-1"
FT BINDING 29
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604793-1"
FT BINDING 45
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604793-1"
FT BINDING 46
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604793-1"
FT BINDING 65
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604793-1"
FT BINDING 85
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604793-1"
FT BINDING 91
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604793-1"
FT BINDING 132
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604793-1"
FT BINDING 135
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604793-1"
SQ SEQUENCE 140 AA; 16114 MW; CAE6052F4A3DF16C CRC64;
MLIFNNRDNF NRGDLIMTEL LQVYKCQVCG NIVEVVHKGG GQLVCCNQPM KLFVENTVDA
AVEKHVPVIE KIEGGIRVKI GEAEHPMIEE HYIEWIEVLT ENKVYRKHLK PGEKPVAEFK
LDEEVVAARE YCNLHGLWKK
//
