RHEA:32371          (APPROVED)

all-trans-violaxanthin + 2 L-ascorbate = all-trans-zeaxanthin + 2 H2O + 2 L-dehydroascorbate

Last modified: 2020-04-08Chemically balanced: yes.

Formula: C40H56O4
Charge: 0
(no structure available)
+
2
Formula: C6H7O6
Charge: -1
(no structure available)
=
Formula: C40H56O2
Charge: 0
(no structure available)
+
2
Formula: H2O
Charge: 0
(no structure available)
+
2
Formula: C6H5O6
Charge: -1
(no structure available)

Same participants, different directions

RHEA:32372 all-trans-violaxanthin + 2 L-ascorbate => all-trans-zeaxanthin + 2 H2O + 2 L-dehydroascorbate
RHEA:32373 all-trans-zeaxanthin + 2 H2O + 2 L-dehydroascorbate => all-trans-violaxanthin + 2 L-ascorbate
RHEA:32374 all-trans-violaxanthin + 2 L-ascorbate <=> all-trans-zeaxanthin + 2 H2O + 2 L-dehydroascorbate

Comments

Multi-step reaction: RHEA:15353 and RHEA:21800.

Published in:
"Chemical and mutational modification of histidines in violaxanthinde-epoxidase from Spinacia oleracea."
Emanuelsson A.K., Eskling M., Aakerlund H.-E.
Physiol. Plantarum 119:97-104(2003)

Links to other resources

Enzymes Reactions

Reaction relationships

Outgoing
no data
Incoming
no data

Citations

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