_EC 1.14.99.44 Diapolycopene oxygenase. 0 PDB entries  
EC 1.-.-.- Oxidoreductases. [8,663 PDB entries]
EC 1.14.-.- Acting on paired donors, with incorporation or reduction of molecu [1,436 PDB entries]
EC 1.14.99.- Miscellaneous (requires further characterization). [146 PDB entries]
EC 1.14.99.44 Diapolycopene oxygenase. [-]    

Reaction: 4,4'-diapolycopene + 4 AH(2) + 4 O(2) = 4,4'-diapolycopenedial + 4 A + 6 H(2)O.
 

4,4'-diapolycopene
+ 4 × AH(2)
+
4 × O(2)
= 4,4'-diapolycopenedial
+ 4 × A
+ 6 × H(2)O
Molecule diagrams generated from .mol files obtained from the KEGG ftp site.

Comments: Little activity with neurosporene or lycopene. Involved in the biosynthesis of C(30) carotenoids such as staphyloxanthin. The enzyme oxidizes each methyl group to the hydroxymethyl and then a dihydroxymethyl group, followed by the spontaneous loss of water to give an aldehyde group.
Links:   [IntEnz]   [ExPASy]   [KEGG]  

There are no PDB entries in enzyme class E.C.1.14.99.44