Literature summary extracted from

Eilers, U.; Dietzel, L.; Breitenbach, J.; Buechel, C.; Sandmann, G.
Identification of genes coding for functional zeaxanthin epoxidases in the diatom Phaeodactylum tricornutum (2016), J. Plant Physiol., 192, 64-70.

Organism

EC Number	Organism	UniProt	Comment	Textmining
1.14.15.21	Phaeodactylum tricornutum	B7FQV6	-	-
1.14.15.21	Phaeodactylum tricornutum	B7FUR7	-	-
1.14.15.21	Phaeodactylum tricornutum CCAP 1055/1	B7FQV6	-	-
1.14.15.21	Phaeodactylum tricornutum CCAP 1055/1	B7FUR7	-	-

Substrates and Products (Substrate)

EC Number	Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
1.14.15.21	lutein + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2	-	Phaeodactylum tricornutum	lutein-5,6-epoxide + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O	-	?
1.14.15.21	lutein + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2	-	Phaeodactylum tricornutum CCAP 1055/1	lutein-5,6-epoxide + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O	-	?
1.14.15.21	zeaxanthin + 4 reduced ferredoxin [iron-sulfur] cluster + 4 H+ + 2 O2	-	Phaeodactylum tricornutum	violaxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O	overall reaction	?
1.14.15.21	zeaxanthin + 4 reduced ferredoxin [iron-sulfur] cluster + 4 H+ + 2 O2	-	Phaeodactylum tricornutum CCAP 1055/1	violaxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O	overall reaction	?

Synonyms

EC Number	Synonyms	Comment	Organism
1.14.15.21	ZEP2	-	Phaeodactylum tricornutum
1.14.15.21	ZEP3	-	Phaeodactylum tricornutum

General Information

EC Number	General Information	Comment	Organism
1.14.15.21	physiological function	gene ZEP2 is able to restore zeaxanthin epoxidation and a functional xanthophyll cycle when expressed in an Arabidopsis thaliana ZEP2 mutant	Phaeodactylum tricornutum
1.14.15.21	physiological function	gene ZEP3 is able to restore zeaxanthin epoxidation and a functional xanthophyll cycle when expressed in an Arabidopsis thaliana ZEP3 mutant	Phaeodactylum tricornutum

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Release 2023.1 (January 2023)