1.13.11.84: crocetin dialdehyde synthase

This is an abbreviated version!
For detailed information about crocetin dialdehyde synthase, go to the full flat file.

Reaction

Synonyms

beta-carotene 7',8'oxygenase, carotenoid cleavage dioxygenase 2, CCD2, CCD4.1, CCD4.3, EC 1.14.99.42, ZCD, zeaxanthin 7, 8 (7, 8)-cleavage dioxygenase, zeaxanthin 7,8(7',8')-cleavage dioxygenase, zeaxanthin 7,8-cleavage dioxygenase

ECTree

     1 Oxidoreductases

         1.13 Acting on single donors with incorporation of molecular oxygen (oxygenases)

             1.13.11 With incorporation of two atoms of oxygen

                1.13.11.84 crocetin dialdehyde synthase

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Results	in table
15	AA Sequence
7	Cloned(Commentary)
3	Expression
3	General Information
7	Localization
2	Molecular Weight [Da]
20	Natural Substrates/ Products (Substrates)
11	Organism
4	Pathway
3	Reaction
11	Reference
12	Source Tissue
23	Substrates and Products (Substrate)
2	Subunits
20	Synonyms
1	Systematic Name

Systematic Name

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Systematic Name on EC 1.13.11.84 - crocetin dialdehyde synthase

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SYSTEMATIC NAME

IUBMB Comments

zeaxanthin:oxygen 7',8'-oxidoreductase (bond-cleaving)

The enzyme, characterized from the plant Crocus sativus (saffron), acts twice, cleaving 3beta-hydroxy-beta-cyclocitral off each 3-hydroxy end group. It is part of the zeaxanthin degradation pathway in that plant, leading to the different compounds that impart the color, flavor and aroma of the saffron spice. The enzyme can similarly cleave the 7-8 double bond of other carotenoids with a 3-hydroxy-beta-carotenoid end group.