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Literature summary extracted from

  • Nakano, Y.; Asada, K.
    Purification of ascorbate peroxidase in spinach chloroplasts; its inactivation in ascorbate-depleted medium and reactivation by monodehydroascorbate radical (1987), Plant Cell Physiol., 28, 131-140.
No PubMed abstract available

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.11.1.11 chloroplast
-
 Spinacia oleracea 9507
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.11.1.11 Fe hemoprotein Spinacia oleracea

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.11.1.11 30000
-
-
 Spinacia oleracea

Organism

EC Number Organism UniProt Comment Textmining
1.11.1.11 Spinacia oleracea
-
 spinach
-

Oxidation Stability

EC Number Oxidation Stability Organism
1.11.1.11 not stable under aerobic conditions Spinacia oleracea
1.11.1.11 stabilization by ascorbate and sorbitol Spinacia oleracea

Purification (Commentary)

EC Number Purification (Comment) Organism
1.11.1.11
-
 Spinacia oleracea

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.11.1.11 leaf
-
 Spinacia oleracea
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.11.1.11 guaiacol + H2O2 low activity compared to L-ascorbate Spinacia oleracea ?
-
 ?
1.11.1.11 L-ascorbate + H2O2
-
 Spinacia oleracea dehydroascorbate + H2O
-
 ?
1.11.1.11 pyrocatechol + H2O2 low activity compared to L-ascorbate Spinacia oleracea 1,2-benzoquinone + H2O
-
 ?
1.11.1.11 pyrogallol + H2O2 low activity compared to L-ascorbate Spinacia oleracea 3-hydroxybenzo-1,2-quinone + H2O
-
 ?

Subunits

EC Number Subunits Comment Organism
1.11.1.11 monomer
-
 Spinacia oleracea

Cofactor

EC Number Cofactor Comment Organism Structure
1.11.1.11 heme
-
 Spinacia oleracea