EC number:5.5.1.18
Enzyme
Download| EC Tree |
| 5. Isomerases |
| 5.5 Intramolecular lyases |
| 5.5.1 Intramolecular lyases (only sub-subclass identified to date) |
| ID: | 5.5.1.18 |
|---|---|
| Description: | Lycopene epsilon-cyclase. |
3D structure
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External Links
| UniProtKB Enzyme Link: | UniProtKB 5.5.1.18 |
| BRENDA Enzyme Link: | BRENDA 5.5.1.18 |
| KEGG Enzyme Link: | KEGG5.5.1.18 |
| BioCyc Enzyme Link: | BioCyc 5.5.1.18 |
| ExPASy Enzyme Link: | ExPASy5.5.1.18 |
| EC2PDB Enzyme Link: | EC2PDB 5.5.1.18 |
| ExplorEnz Enzyme Link: | ExplorEnz 5.5.1.18 |
| PRIAM enzyme-specific profiles Link: | PRIAM 5.5.1.18 |
| IntEnz Enzyme Link: | IntEnz 5.5.1.18 |
| MEDLINE Enzyme Link: | MEDLINE 5.5.1.18 |
| RHEA:55616 | a carotenoid psi-end group = a carotenoid epsilon-end group |
| RULE(radius=1) | [*:1]-[C;H0;+0:2](-[CH2;+0:3]-[*:4]-[CH;+0:5]=[C;H0;+0:6](-[*:7])-[*:8])=[CH;+0:9]-[*:10]>>[*:1]-[C;H0;+0:2]1=[CH;+0:3]-[*:4]-[CH2;+0:5]-[C;H0;+0:6](-[*:7])(-[*:8])-[CH;+0:9]-1-[*:10] |
| Reaction |  |
| Core-to-Core | No scaffolds atoms were exchanged as a result of the reaction |
References
| Title | Authors | Date | PubMed 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 E | 1996 Sep | 8837512 |
| A novel type of lycopene epsilon-cyclase in the marine cyanobacterium Prochlorococcus marinus MED4. | Stickforth P, Steiger S, Hess WR, Sandmann G | 2003 Jun | 12712234 |
| One ring or two? Determination of ring number in carotenoids by lycopene epsilon-cyclases. | Cunningham FX Jr, Gantt E | 2001 Feb 27 | 11226339 |
| RHEA:53128 | delta-carotene = epsilon-carotene |
| RULE(radius=1) | [*:1]-[CH;+0:2]=[C;H0;+0:3](-[*:4])-[CH2;+0:5]-[*:6]-[CH;+0:7]=[C;H0;+0:8](-[*:9])-[*:10]>>[*:1]-[CH;+0:2]1-[C;H0;+0:3](-[*:4])=[CH;+0:5]-[*:6]-[CH2;+0:7]-[C;H0;+0:8]-1(-[*:9])-[*:10] |
| Reaction |  |
| Core-to-Core |
References
| Title | Authors | Date | PubMed ID |
|---|---|---|---|
| A novel type of lycopene epsilon-cyclase in the marine cyanobacterium Prochlorococcus marinus MED4. | Stickforth P, Steiger S, Hess WR, Sandmann G | 2003 Jun | 12712234 |
| One ring or two? Determination of ring number in carotenoids by lycopene epsilon-cyclases. | Cunningham FX Jr, Gantt E | 2001 Feb 27 | 11226339 |
| RHEA:53124 | all-trans-lycopene = delta-carotene |
| RULE(radius=1) | [*:1]-[CH;+0:2]=[C;H0;+0:3](-[*:4])-[CH2;+0:5]-[*:6]-[CH;+0:7]=[C;H0;+0:8](-[*:9])-[*:10]>>[*:1]-[CH;+0:2]1-[C;H0;+0:3](-[*:4])=[CH;+0:5]-[*:6]-[CH2;+0:7]-[C;H0;+0:8]-1(-[*:9])-[*:10] |
| Reaction |  |
| Core-to-Core | No scaffolds atoms were exchanged as a result of the reaction |
References
| Title | Authors | Date | PubMed ID |
|---|---|---|---|
| A novel type of lycopene epsilon-cyclase in the marine cyanobacterium Prochlorococcus marinus MED4. | Stickforth P, Steiger S, Hess WR, Sandmann G | 2003 Jun | 12712234 |
| One ring or two? Determination of ring number in carotenoids by lycopene epsilon-cyclases. | Cunningham FX Jr, Gantt E | 2001 Feb 27 | 11226339 |