1.1.1.287: D-arabinitol dehydrogenase (NADP+)

This is an abbreviated version!
For detailed information about D-arabinitol dehydrogenase (NADP+), go to the full flat file.

Word Map on EC 1.1.1.287

1.1.1.287

acetyltransferases

nalpha-terminal

auxiliary

termini

derepression

cotranslationally

mdm20p

mating

ser

ala

penultimate

Reaction

Synonyms

ARD1p, ArDH, D-arabitol dehydrogenase, D-arabitol dehydrogenase 1, More, NADP(+)-dependent D-arabitol dehydrogenase

ECTree

1 Oxidoreductases

1.1 Acting on the CH-OH group of donors

1.1.1 With NAD⁺ or NADP⁺ as acceptor

1.1.1.287 D-arabinitol dehydrogenase (NADP+)

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Results	in table
21	AA Sequence
3	Cloned(Commentary)
5	Cofactor
1	Expression
1	Inhibitors
6	kcat/KM [mM/s]
24	KM Value [mM]
3	Localization
3	Metals/Ions
5	Molecular Weight [Da]
3	Natural Substrates/ Products (Substrates)
4	Organism
2	Pathway
4	pH Optimum
2	pH Range
1	pI Value
3	Purification (Commentary)
2	Reaction
4	Reference
1	Renatured (Commentary)
4	Source Tissue
10	Specific Activity [micromol/min/mg]
3	Storage Stability
25	Substrates and Products (Substrate)
4	Subunits
9	Synonyms
1	Systematic Name
2	Temperature Optimum [°C]
1	Temperature Range [°C]
13	Turnover Number [1/s]

Systematic Name

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Systematic Name on EC 1.1.1.287 - D-arabinitol dehydrogenase (NADP+)

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D-arabinitol:NADP+ oxidoreductase

The enzyme from the rust fungus Uromyces fabae can use D-arabinitol and D-mannitol as substrates in the forward direction and D-xylulose, D-ribulose and, to a lesser extent, D-fructose as substrates in the reverse direction. This enzyme carries out the reactions of both EC 1.1.1.11, D-arabinitol 4-dehydrogenase and EC 1.1.1.250, D-arabinitol 2-dehydrogenase, but unlike them, uses NADP+ rather than NAD+ as cofactor. D-Arabinitol is capable of quenching reactive oxygen species involved in defense reactions of the host plant.