Enzyme

Download
EC Tree
     1. Oxidoreductases
        1.23 Reducing C-O-C group as acceptor
            1.23.5 With a quinone or similar compound as acceptor
ID:1.23.5.1
Description:Violaxanthin de-epoxidase.
Alternative Name: VDE.
Cath: 2.40.128.20;

3D structure

Click one PDB to see exact 3D structure provided by NGL.

Note: Use your mouse to drag, rotate, and zoom in and out of the structure. Mouse-over to identify atoms and bonds. Mouse controls documentation.

References

External Links

UniProtKB Enzyme Link: UniProtKB 1.23.5.1
BRENDA Enzyme Link: BRENDA 1.23.5.1
KEGG Enzyme Link: KEGG1.23.5.1
BioCyc Enzyme Link: BioCyc 1.23.5.1
ExPASy Enzyme Link: ExPASy1.23.5.1
EC2PDB Enzyme Link: EC2PDB 1.23.5.1
ExplorEnz Enzyme Link: ExplorEnz 1.23.5.1
PRIAM enzyme-specific profiles Link: PRIAM 1.23.5.1
IntEnz Enzyme Link: IntEnz 1.23.5.1
MEDLINE Enzyme Link: MEDLINE 1.23.5.1
MSA:

1.23.5.1;

Phylogenetic Tree:

1.23.5.1;

Uniprot:
M-CSA:
RHEA:32371 all-trans-violaxanthin + 2 L-ascorbate = all-trans-zeaxanthin + 2 H2O + 2 L-dehydroascorbate
RULE(radius=1) [*:1]-[C;H0;+0:2](-[OH;+0:3])=[C;H0;+0:4](-[*:5])-[OH;+0:6].[*:7]-[C;H0;+0:8](-[OH;+0:9])=[C;H0;+0:10](-[*:11])-[OH;+0:12].([*:13]-[C;H0;+0:14]1(-[*:15])-[O;H0;+0:16]-[C;H0;+0:17]-1(-[*:18])-[*:19].[*:20]-[C;H0;+0:21]1(-[*:22])-[O;H0;+0:23]-[C;H0;+0:24]-1(-[*:25])-[*:26])>>([*:13]-[C;H0;+0:14](-[*:15])=[C;H0;+0:17](-[*:18])-[*:19].[*:20]-[C;H0;+0:21](-[*:22])=[C;H0;+0:24](-[*:25])-[*:26]).[*:1]-[C;H0;+0:2](=[O;H0;+0:3])-[C;H0;+0:4](-[*:5])=[O;H0;+0:6].[*:7]-[C;H0;+0:8](=[O;H0;+0:9])-[C;H0;+0:10](-[*:11])=[O;H0;+0:12].[OH2;+0:23].[OH2;+0:16]
Reaction
Core-to-Core More
Core-to-Core More

References

TitleAuthorsDatePubMed ID
Xanthophyll cycle enzymes are members of the lipocalin family, the first identified from plants.Bugos RC, Hieber AD, Yamamoto HY1998 Jun 199624110
Violaxanthin de-epoxidase.Rockholm DC, Yamamoto HY1996 Feb8742341
Violaxanthin de-epoxidase, the xanthophyll cycle enzyme, requires lipid inverted hexagonal structures for its activity.Latowski D, Akerlund HE, Strzałka K2004 Apr 2015078086
Substrate specificity of the violaxanthin de-epoxidase of the primitive green alga Mantoniella squamata (Prasinophyceae).Goss R2003 Sep12748855
Kinetics of violaxanthin de-epoxidation by violaxanthin de-epoxidase, a xanthophyll cycle enzyme, is regulated by membrane fluidity in model lipid bilayers.Latowski D, Kruk J, Burda K, Skrzynecka-Jaskier M, Kostecka-Gugała A, Strzałka K2002 Sep12230579
Characterization of violaxanthin de-epoxidase purified in the presence of Tween 20: effects of dithiothreitol and pepstatin A.Kuwabara T, Hasegawa M, Kawano M, Takaichi S1999 Nov10635115
Violaxanthin de-epoxidase. Lipid composition and substrate specificity.Yamamoto HY, Higashi RM1978 Oct102251