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ENZYME entry: EC 1.11.1.11

Accepted Name
L-ascorbate peroxidase.
Alternative Name(s)
Ascorbic acid peroxidase.
Reaction catalysed
2 L-ascorbate + H(2)O(2) + 2 H(+) <=> L-ascorbate + L-dehydroascorbate + 2 H(2)O
Cofactor(s)
Heme.
Comment(s)
  • Oxidizes ascorbate and low molecular weight aromatic substrates.
  • The monodehydroascorbate radical produced is either directly reduced back to ascorbate by EC 1.6.5.4 or undergoes non-enzymatic disproportionation to ascorbate and dehydroascorbate.
Cross-references
PROSITEPDOC00394
BRENDA1.11.1.11
EC2PDB1.11.1.11
ExplorEnz1.11.1.11
PRIAM enzyme-specific profiles1.11.1.11
KEGG Ligand Database for Enzyme Nomenclature1.11.1.11
IUBMB Enzyme Nomenclature1.11.1.11
IntEnz1.11.1.11
MEDLINEFind literature relating to 1.11.1.11
MetaCyc1.11.1.11
Rhea expert-curated reactions1.11.1.11
UniProtKB/Swiss-Prot
Q05431, APX1_ARATH;  Q539E5, APX1_HYDVD;  A2XFC7, APX1_ORYSI;  
Q10N21, APX1_ORYSJ;  P48534, APX1_PEA;  Q1PER6, APX2_ARATH;  
Q9FE01, APX2_ORYSJ;  Q42564, APX3_ARATH;  Q01MI9, APX3_ORYSI;  
Q0JEQ2, APX3_ORYSJ;  Q6ZJJ1, APX4_ORYSJ;  Q7XZP5, APX5_ARATH;  
P0C0L0, APX5_ORYSJ;  Q8GY91, APX6_ARATH;  P0C0L1, APX6_ORYSJ;  
Q7XJ02, APX7_ORYSJ;  Q69SV0, APX8_ORYSJ;  Q42592, APXS_ARATH;  
Q42593, APXT_ARATH;  P85940, APX_PSEMZ;  

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