EC Number |
Substrates |
Organism |
Products |
Reversibility |
---|
1.3.5.6 | 7,9,9'-tricis-neurosporene + a quinone |
- |
Rubrivivax gelatinosus |
7,9,7',9'-tetracis-lycopene + a quinol |
- |
? |
1.3.5.6 | 7,9,9'-tricis-neurosporene + a quinone |
- |
Citrus sinensis |
7,9,7',9'-tetracis-lycopene + a quinol |
- |
? |
1.3.5.6 | 7,9,9'-tricis-neurosporene + a quinone |
- |
Gentiana lutea |
7,9,7',9'-tetracis-lycopene + a quinol |
- |
? |
1.3.5.6 | 7,9,9'-tricis-neurosporene + a quinone |
mutant activity |
Cereibacter sphaeroides |
7,9,7',9'-tetracis-lycopene + a quinol |
- |
? |
1.3.5.6 | 7,9,9'-tricis-neurosporene + a quinone |
catalyzed by zeta-carotene desaturase CrtQa, very poorly by CrtQb |
Nostoc sp. |
7,9,7',9'-tetracis-lycopene + a quinol |
- |
? |
1.3.5.6 | 7,9,9'-tricis-neurosporene + a quinone |
- |
Rubrivivax gelatinosus CGMCC 6086 |
7,9,7',9'-tetracis-lycopene + a quinol |
- |
? |
1.3.5.6 | 7,9,9'-tricis-neurosporene + a quinone |
- |
Citrus sinensis valencia |
7,9,7',9'-tetracis-lycopene + a quinol |
- |
? |
1.3.5.6 | 7,9,9'-tricis-neurosporene + a quinone |
catalyzed by zeta-carotene desaturase CrtQa, very poorly by CrtQb |
Nostoc sp. PCC 7120 |
7,9,7',9'-tetracis-lycopene + a quinol |
- |
? |
1.3.5.6 | 9,9'-dicis-zeta-carotene + 2 quinone |
- |
Gentiana lutea |
7,9,7',9'-tetracis-lycopene + 2 quinol |
- |
? |
1.3.5.6 | 9,9'-dicis-zeta-carotene + 2 quinone |
the expression of zeta-carotene desaturase paralleles plastid terminal oxidase (PTOX, quinol:oxygen oxidoreductase) and zeta-carotene desaturase. The three genes are expressed when carotinoid biosynthesis is enhanced during fruit ripening |
Capsicum annuum |
7,9,7',9'-tetracis-lycopene + 2 quinol |
- |
? |