ID   SODC_HORVU              Reviewed;          22 AA.
AC   P34936;
DT   01-FEB-1994, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   11-DEC-2019, entry version 79.
DE   RecName: Full=Superoxide dismutase [Cu-Zn];
DE            EC=1.15.1.1;
DE   Flags: Fragment;
OS   Hordeum vulgare (Barley).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC   Pooideae; Triticodae; Triticeae; Hordeinae; Hordeum.
OX   NCBI_TaxID=4513;
RN   [1]
RP   PROTEIN SEQUENCE OF 2-22.
RC   STRAIN=cv. H354-295-2-5; TISSUE=Starchy endosperm;
RX   PubMed=8125056; DOI=10.1002/elps.11501401169;
RA   Flengsrud R.;
RT   "Separation of acidic barley endosperm proteins by two-dimensional
RT   electrophoresis.";
RL   Electrophoresis 14:1060-1066(1993).
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   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.
PE   1: Evidence at protein level;
KW   Antioxidant; Copper; Cytoplasm; Direct protein sequencing; Metal-binding;
KW   Oxidoreductase; Zinc.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000269|PubMed:8125056"
FT   CHAIN           2..>22
FT                   /note="Superoxide dismutase [Cu-Zn]"
FT                   /id="PRO_0000164137"
FT   NON_TER         22
SQ   SEQUENCE   22 AA;  2279 MW;  4B50D0C33744C364 CRC64;
     MXKAVAVLTG SEGVXGTIFF TQ