1.2.3.7: indole-3-acetaldehyde oxidase

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For detailed information about indole-3-acetaldehyde oxidase, go to the full flat file.

Word Map on EC 1.2.3.7

1.2.3.7

seedlings

indole-3-acetic

indole-3-aldehyde

abscisic

pichia

1.2.3.1

multiphasic

pastoris

inventory

schizophrenia

migraineurs

introversion

subtests

social

headache

migraine

minnesota

benzaldehyde

maize

Reaction

Synonyms

AAO1, AOgamma, IAAld oxidase, indoleacetaldehyde oxidase, oxidase, indoleacetaldehyde

ECTree

1 Oxidoreductases

1.2 Acting on the aldehyde or oxo group of donors

1.2.3 With oxygen as acceptor

1.2.3.7 indole-3-acetaldehyde oxidase

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Results	in table
1	Activating Compound
13	AA Sequence
1	CAS Registry Number
1	Cloned(Commentary)
4	Cofactor
1	General Stability
28	Inhibitors
2	KM Value [mM]
2	Metals/Ions
3	Natural Substrates/ Products (Substrates)
6	Organism
6	Pathway
3	pH Optimum
2	pH Range
1	pH Stability
3	Purification (Commentary)
1	Reaction
3	Reaction Type
6	Reference
8	Source Tissue
5	Specific Activity [micromol/min/mg]
19	Substrates and Products (Substrate)
1	Subunits
5	Synonyms
1	Systematic Name
1	Temperature Optimum [°C]
1	Temperature Range [°C]
3	Temperature Stability [°C]

Systematic Name

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Systematic Name on EC 1.2.3.7 - indole-3-acetaldehyde oxidase

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(indol-3-yl)acetaldehyde:oxygen oxidoreductase

A hemoprotein. This enzyme is an isoform of aldehyde oxidase (EC 1.2.3.1). It has a preference for aldehydes having an indole-ring structure as substrate [6,7]. It may play a role in plant hormone biosynthesis as its activity is higher in the auxin-overproducing mutant, super-root1, than in wild-type Arabidopsis thaliana [7]. While (indol-3-yl)acetaldehyde is the preferred substrate, it also oxidizes indole-3-carbaldehyde and acetaldehyde, but more slowly. The enzyme from maize contains FAD, iron and molybdenum [4].