Lycopene epsilon-cyclase

Lycopene ε-cyclase (EC 5.5.1.18, CrtL-e, LCYe) is an enzyme with systematic name carotenoid psi-end group lyase (decyclizing).^[1][2] This enzyme catalyses the following chemical reaction

Lycopene ε-cyclase
Identifiers
EC no.	5.5.1.18
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
Search PMC articles PubMed articles NCBI proteins

carotenoid psi-end group ${\displaystyle \rightleftharpoons }$ carotenoid epsilon-end group

The carotenoid lycopene has the psi-end group at both ends.