ID   SODC_SPIOL              Reviewed;         152 AA.
AC   P22233;
DT   01-AUG-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1991, sequence version 1.
DT   03-AUG-2022, entry version 106.
DE   RecName: Full=Superoxide dismutase [Cu-Zn];
DE            EC=1.15.1.1;
GN   Name=SODCC;
OS   Spinacia oleracea (Spinach).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   Caryophyllales; Chenopodiaceae; Chenopodioideae; Anserineae; Spinacia.
OX   NCBI_TaxID=3562;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   STRAIN=cv. King of Denmark; TISSUE=Leaf;
RX   PubMed=2395656; DOI=10.1093/nar/18.16.4923;
RA   Sakamoto A., Ohsuga H., Wakaura M., Mitsukawa N., Hibino T., Masumura T.,
RA   Sasaki Y., Tanaka K.;
RT   "Nucleotide sequence of cDNA for the cytosolic Cu/Zn-superoxide dismutase
RT   from spinach (Spinacia oleracea L.).";
RL   Nucleic Acids Res. 18:4923-4923(1990).
CC   -!- FUNCTION: Destroys radicals which are normally produced within the
CC       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=Cu cation; Xref=ChEBI:CHEBI:23378; Evidence={ECO:0000250};
CC       Note=Binds 1 copper ion per subunit. {ECO:0000250};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000250};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000250};
CC   -!- SUBUNIT: Homodimer.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm.
CC   -!- SIMILARITY: Belongs to the Cu-Zn superoxide dismutase family.
CC       {ECO:0000305}.
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DR   EMBL; X53872; CAA37866.1; -; mRNA.
DR   PIR; S12595; DSSPCY.
DR   AlphaFoldDB; P22233; -.
DR   SMR; P22233; -.
DR   OrthoDB; 1574423at2759; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0004784; F:superoxide dismutase activity; IEA:UniProtKB-EC.
DR   CDD; cd00305; Cu-Zn_Superoxide_Dismutase; 1.
DR   Gene3D; 2.60.40.200; -; 1.
DR   InterPro; IPR036423; SOD-like_Cu/Zn_dom_sf.
DR   InterPro; IPR024134; SOD_Cu/Zn_/chaperone.
DR   InterPro; IPR018152; SOD_Cu/Zn_BS.
DR   InterPro; IPR001424; SOD_Cu_Zn_dom.
DR   PANTHER; PTHR10003; PTHR10003; 1.
DR   Pfam; PF00080; Sod_Cu; 1.
DR   PRINTS; PR00068; CUZNDISMTASE.
DR   SUPFAM; SSF49329; SSF49329; 1.
DR   PROSITE; PS00087; SOD_CU_ZN_1; 1.
DR   PROSITE; PS00332; SOD_CU_ZN_2; 1.
PE   2: Evidence at transcript level;
KW   Antioxidant; Copper; Cytoplasm; Disulfide bond; Metal-binding;
KW   Oxidoreductase; Zinc.
FT   CHAIN           1..152
FT                   /note="Superoxide dismutase [Cu-Zn]"
FT                   /id="PRO_0000164157"
FT   BINDING         45
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000250"
FT   BINDING         47
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000250"
FT   BINDING         62
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000250"
FT   BINDING         62
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="structural"
FT                   /evidence="ECO:0000250"
FT   BINDING         70
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="structural"
FT                   /evidence="ECO:0000250"
FT   BINDING         79
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="structural"
FT                   /evidence="ECO:0000250"
FT   BINDING         82
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="structural"
FT                   /evidence="ECO:0000250"
FT   BINDING         119
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000250"
FT   DISULFID        56..145
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   152 AA;  15223 MW;  9678861CF1E6063E CRC64;
     MGKAVVVLSS SEGVSGTVYF AQEGDGPTTV TGNVSGLKPG LHGFHVHALG DTTNGCMSTG
     PHYNPNGKEH GAPEDDVRHA GDLGNITVGD DGTATFTIID SQIPLSGPNS IVGRAVVVHA
     EPDDLGRGGH ELSKTTGNAG GRVACGIIGL QG