Enzyme

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     5. Isomerases
        5.5 Intramolecular lyases
            5.5.1 Intramolecular lyases (only sub-subclass identified to date)
ID:5.5.1.19
Description:Lycopene beta-cyclase.

3D structure

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References

External Links

UniProtKB Enzyme Link: UniProtKB 5.5.1.19
BRENDA Enzyme Link: BRENDA 5.5.1.19
KEGG Enzyme Link: KEGG5.5.1.19
BioCyc Enzyme Link: BioCyc 5.5.1.19
ExPASy Enzyme Link: ExPASy5.5.1.19
EC2PDB Enzyme Link: EC2PDB 5.5.1.19
ExplorEnz Enzyme Link: ExplorEnz 5.5.1.19
PRIAM enzyme-specific profiles Link: PRIAM 5.5.1.19
IntEnz Enzyme Link: IntEnz 5.5.1.19
MEDLINE Enzyme Link: MEDLINE 5.5.1.19
MSA:

5.5.1.19;

Phylogenetic Tree:

5.5.1.19;

Uniprot:
M-CSA:
RHEA:55620 a carotenoid psi-end group = a carotenoid beta-end derivative
RULE(radius=1) ([*:1]-[CH;+0:2]=[C;H0;+0:3](-[*:4])-[*:5].[*:6]=[CH;+0:7]-[*:8])>>[*:6]=[C;H0;+0:7](-[*:8])-[C;H0;+0:3](-[*:4])(-[*:5])-[CH2;+0:2]-[*:1]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
Functional analysis of the beta and epsilon lycopene cyclase enzymes of Arabidopsis reveals a mechanism for control of cyclic carotenoid formation.Cunningham FX Jr, Pogson B, Sun Z, McDonald KA, DellaPenna D, Gantt E1996 Sep8837512
Cloning and characterization of the cDNA for lycopene beta-cyclase from tomato reveals decrease in its expression during fruit ripening.Pecker I, Gabbay R, Cunningham FX Jr, Hirschberg J1996 Feb8624411
Molecular structure and enzymatic function of lycopene cyclase from the cyanobacterium Synechococcus sp strain PCC7942.Cunningham FX Jr, Sun Z, Chamovitz D, Hirschberg J, Gantt E1994 Aug7919981
Metabolism of cyclic carotenoids: a model for the alteration of this biosynthetic pathway in Capsicum annuum chromoplasts.Hugueney P, Badillo A, Chen HC, Klein A, Hirschberg J, Camara B, Kuntz M1995 Sep7550379
The lycopene cyclase CrtY from Pantoea ananatis (formerly Erwinia uredovora) catalyzes an FADred-dependent non-redox reaction.Yu Q, Schaub P, Ghisla S, Al-Babili S, Krieger-Liszkay A, Beyer P2010 Apr 1620178989
Identification of a fourth family of lycopene cyclases in photosynthetic bacteria.Maresca JA, Graham JE, Wu M, Eisen JA, Bryant DA2007 Jul 1017606904
Involvement of NADPH in the cyclization reaction of carotenoid biosynthesis.Hornero-Méndez D, Britton G2002 Mar 2711943208
An alternative pathway to beta -carotene formation in plant chromoplasts discovered by map-based cloning of beta and old-gold color mutations in tomato.Ronen G, Carmel-Goren L, Zamir D, Hirschberg J2000 Sep 2610995464
Cloning and functional expression in Escherichia coli of a cyanobacterial gene for lycopene cyclase, the enzyme that catalyzes the biosynthesis of beta-carotene.Cunningham FX Jr, Chamovitz D, Misawa N, Gantt E, Hirschberg J1993 Aug 98344419
Identification of a lycopene beta-cyclase required for bacteriorhodopsin biogenesis in the archaeon Halobacterium salinarum.Peck RF, Johnson EA, Krebs MP2002 Jun12003928

RHEA:32239 gamma-carotene = all-trans-beta-carotene
RULE(radius=1) ([*:1]-[CH;+0:2]=[*:3].[*:4]-[CH;+0:5]=[C;H0;+0:6](-[*:7])-[*:8])>>[*:1]-[C;H0;+0:2](=[*:3])-[C;H0;+0:6](-[*:7])(-[*:8])-[CH2;+0:5]-[*:4]
Reaction
Core-to-Core More

References

TitleAuthorsDatePubMed ID
Molecular analysis of carotenoid cyclase inhibition.Bouvier F, d'Harlingue A, Camara B1997 Oct 19328284
Characterization of plant carotenoid cyclases as members of the flavoprotein family functioning with no net redox change.Mialoundama AS, Heintz D, Jadid N, Nkeng P, Rahier A, Deli J, Camara B, Bouvier F2010 Jul20460582
Cloning and functional expression in Escherichia coli of a cyanobacterial gene for lycopene cyclase, the enzyme that catalyzes the biosynthesis of beta-carotene.Cunningham FX Jr, Chamovitz D, Misawa N, Gantt E, Hirschberg J1993 Aug 98344419
Identification of a lycopene beta-cyclase required for bacteriorhodopsin biogenesis in the archaeon Halobacterium salinarum.Peck RF, Johnson EA, Krebs MP2002 Jun12003928

RHEA:32219 all-trans-lycopene = gamma-carotene
RULE(radius=1) ([*:1]-[CH;+0:2]=[*:3].[*:4]-[CH;+0:5]=[C;H0;+0:6](-[*:7])-[*:8])>>[*:1]-[C;H0;+0:2](=[*:3])-[C;H0;+0:6](-[*:7])(-[*:8])-[CH2;+0:5]-[*:4]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
Molecular analysis of carotenoid cyclase inhibition.Bouvier F, d'Harlingue A, Camara B1997 Oct 19328284
Characterization of plant carotenoid cyclases as members of the flavoprotein family functioning with no net redox change.Mialoundama AS, Heintz D, Jadid N, Nkeng P, Rahier A, Deli J, Camara B, Bouvier F2010 Jul20460582
Cloning and functional expression in Escherichia coli of a cyanobacterial gene for lycopene cyclase, the enzyme that catalyzes the biosynthesis of beta-carotene.Cunningham FX Jr, Chamovitz D, Misawa N, Gantt E, Hirschberg J1993 Aug 98344419
Identification of a lycopene beta-cyclase required for bacteriorhodopsin biogenesis in the archaeon Halobacterium salinarum.Peck RF, Johnson EA, Krebs MP2002 Jun12003928