ID   SODF_NOSS1              Reviewed;         200 AA.
AC   Q8YSZ1;
DT   28-NOV-2006, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   03-AUG-2022, entry version 97.
DE   RecName: Full=Superoxide dismutase [Fe];
DE            EC=1.15.1.1;
GN   Name=sodB; OrderedLocusNames=alr2938;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=103690;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX   PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA   Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA   Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA   Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT   "Complete genomic sequence of the filamentous nitrogen-fixing
RT   cyanobacterium Anabaena sp. strain PCC 7120.";
RL   DNA Res. 8:205-213(2001).
CC   -!- FUNCTION: Destroys superoxide anion radicals which are normally
CC       produced within the cells and which are toxic to biological systems.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 H(+) + 2 superoxide = H2O2 + O2; Xref=Rhea:RHEA:20696,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:16240,
CC         ChEBI:CHEBI:18421; EC=1.15.1.1;
CC   -!- COFACTOR:
CC       Name=Fe cation; Xref=ChEBI:CHEBI:24875; Evidence={ECO:0000250};
CC       Note=Binds 1 Fe cation per subunit. {ECO:0000250};
CC   -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the iron/manganese superoxide dismutase family.
CC       {ECO:0000305}.
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DR   EMBL; BA000019; BAB74637.1; -; Genomic_DNA.
DR   PIR; AC2173; AC2173.
DR   RefSeq; WP_010997089.1; NZ_RSCN01000003.1.
DR   AlphaFoldDB; Q8YSZ1; -.
DR   SMR; Q8YSZ1; -.
DR   STRING; 103690.17132032; -.
DR   EnsemblBacteria; BAB74637; BAB74637; BAB74637.
DR   KEGG; ana:alr2938; -.
DR   eggNOG; COG0605; Bacteria.
DR   OMA; KWGSFDK; -.
DR   OrthoDB; 1440645at2; -.
DR   BRENDA; 1.15.1.1; 8113.
DR   Proteomes; UP000002483; Chromosome.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0004784; F:superoxide dismutase activity; IEA:UniProtKB-EC.
DR   Gene3D; 1.10.287.990; -; 1.
DR   Gene3D; 3.55.40.20; -; 1.
DR   InterPro; IPR001189; Mn/Fe_SOD.
DR   InterPro; IPR019833; Mn/Fe_SOD_BS.
DR   InterPro; IPR019832; Mn/Fe_SOD_C.
DR   InterPro; IPR019831; Mn/Fe_SOD_N.
DR   InterPro; IPR036324; Mn/Fe_SOD_N_sf.
DR   InterPro; IPR036314; SOD_C_sf.
DR   Pfam; PF02777; Sod_Fe_C; 1.
DR   Pfam; PF00081; Sod_Fe_N; 1.
DR   PIRSF; PIRSF000349; SODismutase; 1.
DR   PRINTS; PR01703; MNSODISMTASE.
DR   SUPFAM; SSF46609; SSF46609; 1.
DR   SUPFAM; SSF54719; SSF54719; 1.
DR   PROSITE; PS00088; SOD_MN; 1.
PE   3: Inferred from homology;
KW   Iron; Metal-binding; Oxidoreductase; Reference proteome.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..200
FT                   /note="Superoxide dismutase [Fe]"
FT                   /id="PRO_0000262945"
FT   BINDING         28
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000250"
FT   BINDING         80
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000250"
FT   BINDING         162
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000250"
FT   BINDING         166
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   200 AA;  22384 MW;  5F7D1AC6602BB760 CRC64;
     MAFVQEPLPY DFNALEQYGM KGETFEYHYG KHHKAYVDNL NKLTDGTELA DKSLEEVIQI
     AFKDASKAGI FNNAAQVWNH TFFWNSLKPA GGGAPTGEFA AKINQDFGSF DKLKEEFSNA
     AATQFGSGWA WLIDDGGTLK VTKTPNAENP LAHGQKALLT LDVWEHAYYI DFRNARPAFI
     KNYLDNLVNW DFAAANYAKA