1.11.1.11: L-ascorbate peroxidase

This is an abbreviated version!
For detailed information about L-ascorbate peroxidase, go to the full flat file.

Reaction

2 L-ascorbate +

Synonyms

Am-pAPX1, APEX2, APOX, APX, APX 1, APX 2, APX1, APX2, APX3, APX4, APX5, APX6, APX7, APx8, APXS, APXT, ascorbate peroxidase, ascorbate peroxidase 1, ascorbate peroxidase 2, ascorbate peroxidase 3, ascorbate peroxidase 4, ascorbate peroxidase 5, ascorbate peroxidase 6, ascorbate peroxidase 7, ascorbate peroxidase 8, ascorbate peroxidase6, ascorbic acid peroxidase, At1g07890, AT1G77490, AT3G09640, AT4G08390, AT4G32320, AT4G35000, AT4G35970, AtAPx08, AtAPX1, AtAPX2, AtAPX3, AtAPX5, AtAPX6, AtSAPX, AtstAPX, AtTAPX, cAPX, cAPX 2, CmstAPX, CrAPX4, CreAPX1, CreAPX2, CreAPX4, CreAPXheme, CsAPX1, cytoplasmic ascorbate peroxidase 1, cytosolic ascorbate peroxidase, GhAPX1, glyoxysomal APX, HvAPX1, L-ascorbate peroxidase, L-ascorbate peroxidase 3, L-ascorbate peroxidase 5, L-ascorbate peroxidase 6, L-ascorbate peroxidase, heme-containing, L-ascorbic acid peroxidase, L-ascorbic acid-specific peroxidase, LmAPX, MaAPX1, OsAPx1, OsAPx2, OsAPx3, OsAPx4, OsAPx5, OsAPx6, OsAPx7, OsAPx8, OsAPXa, OsAPXb, pAPX, Pavirv00022559m, peroxidase, ascorbate, peroxisomal ascorbate peroxidase, PgAPX1, PHYPA_001206, PHYPA_001884, PHYPA_021776, PHYPA_024580, PHYPA_024582, Potri.002G081900, Potri.004G174500, Potri.005G112200, Potri.005G161900, Potri.005G179200, Potri.006G089000, Potri.006G132200, Potri.006G254500, Potri.009G015400, Potri.009G134100, Potri.016G084800, PpAPX, PpAPX-S, PpAPX2, PpAPX2.1, PpAPX2.2, PpAPX3, PpAPX6-related, PtAPX-S.1, PtAPX-S.2, PtAPX-TL29, PtAPX.3, PtAPX1.1, PtAPX1.2, PtAPX2, PtAPX3, PtAPX5, PtAPX5-like, PtAPX6 related, PtotAPX, RcAPX, sAPX, stromal APX, stromal ascorbate peroxidase, stromal ascorbate peroxidases, TaAPX, tAPX, thylakoid ascorbate peroxidase, thylakoid membrane-bound ascorbate peroxidases, thylakoid-bound ascorbate peroxidase

ECTree

     1 Oxidoreductases

         1.11 Acting on a peroxide as acceptor

             1.11.1 Peroxidases

                1.11.1.11 L-ascorbate peroxidase

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Results	in table
6	Activating Compound
2530	AA Sequence
9	Application
1	CAS Registry Number
76	Cloned(Commentary)
65	Cofactor
12	Crystallization (Commentary)
50	Expression
103	General Information
9	General Stability
130	Inhibitors
11	kcat/KM [mM/s]
6	Ki Value [mM]
110	KM Value [mM]
141	Localization
45	Metals/Ions
56	Molecular Weight [Da]
68	Natural Substrates/ Products (Substrates)
1	Organic Solvent Stability
218	Organism
2	Oxidation Stability
7	Pathway
49	PDB ID
57	pH Optimum
12	pH Range
2	pH Stability
39	pI Value
73	Posttranslational Modification
38	Protein Variants
34	Purification (Commentary)
8	Reaction
36	Reaction Type
162	Reference
1	Renatured (Commentary)
148	Source Tissue
84	Specific Activity [micromol/min/mg]
5	Storage Stability
269	Substrates and Products (Substrate)
39	Subunits
361	Synonyms
1	Systematic Name
29	Temperature Optimum [°C]
10	Temperature Range [°C]
26	Temperature Stability [°C]
51	Turnover Number [1/s]

Systematic Name

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Systematic Name on EC 1.11.1.11 - L-ascorbate peroxidase

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SYSTEMATIC NAME

IUBMB Comments

L-ascorbate:hydrogen-peroxide oxidoreductase

A heme protein. 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 [monodehydroascorbate reductase (NADH)] or undergoes non-enzymic disproportionation to ascorbate and dehydroascorbate.