5.5.1.18: lycopene epsilon-cyclase

This is an abbreviated version!
For detailed information about lycopene epsilon-cyclase, go to the full flat file.

Reaction

Synonyms

CrtL-e, epsilon lycopene cyclase, epsilon-ionone-forming lycopene cyclase, epsilon-LCY, epsilon-LCY1, epsilon-LCY2, epsilon-LYC, LCY-E, LCYe, LYCe, lycopene bi-epsilon-cyclase, lycopene epsilon cyclase, lycopene-epsilon-cyclase, OsLCYe

ECTree

     5 Isomerases

         5.5 Intramolecular lyases

             5.5.1 Intramolecular lyases (only sub-subclass identified to date)

                5.5.1.18 lycopene epsilon-cyclase

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Results	in table
24	AA Sequence
12	Cloned(Commentary)
3	Cofactor
2	Expression
9	General Information
3	Localization
2	Molecular Weight [Da]
17	Natural Substrates/ Products (Substrates)
21	Organism
7	Pathway
1	pH Optimum
3	pI Value
15	Protein Variants
1	Purification (Commentary)
2	Reaction
20	Reference
17	Source Tissue
26	Substrates and Products (Substrate)
4	Subunits
32	Synonyms
1	Systematic Name
1	Temperature Optimum [°C]

Natural Substrates Products

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Natural Substrates Products on EC 5.5.1.18 - lycopene epsilon-cyclase

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NATURAL SUBSTRATE

NATURAL PRODUCT

REACTION DIAGRAM

ORGANISM

UNIPROT

COMMENTARY
(Substrate)

LITERATURE
(Substrate)

COMMENTARY
(Product)

LITERATURE
(Product)

REVERSIBILITY
r=reversible
ir=irreversible
?=not specified

delta-carotene

epsilon-carotene

Marchantia polymorpha

W0SAP4

-

728466

-

-

?

gamma-carotene

alpha-carotene

2 entries

lycopene

?

Zea mays

-

-

746569, 747885

-

-

?

lycopene

delta-carotene

8 entries

lycopene

delta-carotene + beta-carotene + alpha-carotene + epsilon-carotene

Oryza sativa

Q8LJ81

the enzyme OsLCYe catalyzes the formation of beta-carotene or delta-carotene from lycopene, and as side activities the formation of gamma-, alpha-, or epsilon-carotene from lycopene, reactions catalyzed by OsLCYe, overview

727518

-

-

?

lycopene

epsilon-carotene

2 entries

additional information

?

-

2 entries

gamma-carotene

alpha-carotene

Marchantia polymorpha

W0SAP4

-

728466

-

-

?

gamma-carotene

alpha-carotene

Nicotiana tabacum

-

-

746684

-

-

?

lycopene

delta-carotene

Arabidopsis thaliana

Q38932

the cyclization of lycopene (psi,psi-carotene) is a key branch point in the pathway of carotenoid biosynthesis

716525

-

-

?

lycopene

delta-carotene

Chromochloris zofingiensis

J7Q2X9

-

728229

-

-

?

lycopene

delta-carotene

Lycium chinense

W0NXH4

-

747899

-

-

?

lycopene

delta-carotene

Marchantia polymorpha

W0SAP4

-

728466

-

-

?

lycopene

delta-carotene

Nicotiana tabacum

-

-

746684

-

-

?

lycopene

delta-carotene

Ostreococcus sp. 'lucimarinus'

-

-

748947

-

-

?

lycopene

delta-carotene

Solanum lycopersicum

-

-

728241

-

-

?

lycopene

delta-carotene

Zea mays

-

-

746018

-

-

?

lycopene

epsilon-carotene

Prochlorococcus marinus

-

-

713988

-

-

?

lycopene

epsilon-carotene

Prochlorococcus marinus MED4

-

-

713988

-

-

?

additional information

?

-

Oryza sativa

Q8LJ81

5-cis-lycopene is not involved in the reaction with OsLCYe acting as an exclusion filter for this naturally occurring isomer. Using liposomes containing 5-cis-lycopene, OsLCYe produces the same moncyclic gamma/delts-carotene pattern as with all-trans-lycopene

727518

-

-

?

additional information

?

-

Oryza sativa

-

5-cis-lycopene is not involved in the reaction with OsLCYe acting as an exclusion filter for this naturally occurring isomer. Using liposomes containing 5-cis-lycopene, OsLCYe produces the same moncyclic gamma/delts-carotene pattern as with all-trans-lycopene

727518

-

-

?