5.3.2.7: ascopyrone tautomerase

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For detailed information about ascopyrone tautomerase, go to the full flat file.

Reaction

Synonyms

1,5-anhydro-D-glycero-hex-3-en-2-ulose tautomerase, APM tautomerase, APTM, APTM1, APTM2, ascopyrone intramolecular oxidoreductase, ascopyrone isomerase, ascopyrone P tautomerase, ascopyrone tautomerase, AUDH, EC 5.3.3.15

ECTree

     5 Isomerases

         5.3 Intramolecular oxidoreductases

             5.3.2 Interconverting keto- and enol-groups

                5.3.2.7 ascopyrone tautomerase

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Results	in table
1	AA Sequence
1	Cloned(Commentary)
1	Crystallization (Commentary)
1	Metals/Ions
5	Molecular Weight [Da]
3	Natural Substrates/ Products (Substrates)
3	Organism
1	Pathway
2	pH Optimum
2	pI Value
2	Purification (Commentary)
1	Reaction
1	Reaction Type
3	Reference
1	Specific Activity [micromol/min/mg]
5	Substrates and Products (Substrate)
5	Subunits
11	Synonyms
1	Systematic Name

Substrates Products

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Substrates Products on EC 5.3.2.7 - ascopyrone tautomerase

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SUBSTRATE

PRODUCT                       

REACTION DIAGRAM

ORGANISM

UNIPROT

COMMENTARY
(Substrate)

LITERATURE
(Substrate)

COMMENTARY
(Product)

LITERATURE
(Product)

Reversibility
r=reversible
ir=irreversible
?=not specified

1,5-anhydro-4-deoxy-D-glycero-hex-3-en-2-ulose

1,5-anhydro-4-deoxy-D-glycero-hex-1-en-3-ulose

3 entries

ascopyrone M

microthecin

Phanerodontia chrysosporium

P84193

-

728150

-

-

?

1,5-anhydro-4-deoxy-D-glycero-hex-3-en-2-ulose

1,5-anhydro-4-deoxy-D-glycero-hex-1-en-3-ulose

Anthracobia melaloma

-

i.e. ascopyrone M. This enzyme catalyses one of the steps in the anhydrofructose pathway, which leads to the degradation of glycogen and starch via 1,5-anhydro-D-fructose

650418

i.e. ascopyrone P

-

ir

1,5-anhydro-4-deoxy-D-glycero-hex-3-en-2-ulose

1,5-anhydro-4-deoxy-D-glycero-hex-1-en-3-ulose

Anthracobia melaloma

-

i.e. ascopyrone M. This enzyme catalyses one of the steps in the anhydrofructose pathway, which leads to the degradation of glycogen and starch via 1,5-anhydro-D-fructose. The other enzymes involved in this pathway are EC 4.2.1.110 (aldos-2-ulose dehydratase), EC 4.2.1.111 (1,5-anhydro-D-fructose dehydratase) and EC 4.2.2.13 (exo-(1,4)-alpha-D-glucan lyase)

667822

i.e. ascopyrone P. Ascopyrone P is an anti-oxidant

-

ir

1,5-anhydro-4-deoxy-D-glycero-hex-3-en-2-ulose

1,5-anhydro-4-deoxy-D-glycero-hex-1-en-3-ulose

Anthracobia melaloma

-

i.e. ascopyrone M

650418, 667822

i.e. ascopyrone P

-

ir