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Literature summary extracted from

  • Iniesta, A.A.; Cervantes, M.; Murillo, F.J.
    Cooperation of two carotene desaturases in the production of lycopene in Myxococcus xanthus (2007), FEBS J., 274, 4306-4314.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.3.99.26 expression in Escherichia coli Myxococcus xanthus
1.3.99.29 expression in Escherichia coli Myxococcus xanthus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.3.99.26 all-trans-zeta-carotene + 2 acceptor Myxococcus xanthus involved in carotenoid biosynthesis all-trans-lycopene + 2 reduced acceptor
-
 ?
1.3.99.29 15-cis-phytoene + 2 acceptor Myxococcus xanthus involved in carotenoid biosynthesis all-trans-zeta-carotene + 2 reduced acceptor
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.3.99.26 Myxococcus xanthus
-
-
-
1.3.99.29 Myxococcus xanthus
-
-
-

Reaction

EC Number Reaction Comment Organism Reaction ID
1.3.99.26 all-trans-zeta-carotene + 2 acceptor = all-trans-lycopene + 2 reduced acceptor overall reaction Myxococcus xanthus
a
1.3.99.29 15-cis-phytoene + 2 acceptor = all-trans-zeta-carotene + 2 reduced acceptor overall reaction Myxococcus xanthus
a

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.3.99.26 all-trans-neurosporene + acceptor
-
 Myxococcus xanthus all-trans-lycopene + reduced acceptor
-
 ?
1.3.99.26 all-trans-zeta-carotene + 2 acceptor
-
 Myxococcus xanthus all-trans-lycopene + 2 reduced acceptor
-
 ?
1.3.99.26 all-trans-zeta-carotene + 2 acceptor involved in carotenoid biosynthesis Myxococcus xanthus all-trans-lycopene + 2 reduced acceptor
-
 ?
1.3.99.26 all-trans-zeta-carotene + acceptor
-
 Myxococcus xanthus all-trans-neurosporene + reduced acceptor
-
 ?
1.3.99.29 15-cis-phytoene + 2 acceptor
-
 Myxococcus xanthus all-trans-zeta-carotene + 2 reduced acceptor
-
 ?
1.3.99.29 15-cis-phytoene + 2 acceptor involved in carotenoid biosynthesis Myxococcus xanthus all-trans-zeta-carotene + 2 reduced acceptor
-
 ?
1.3.99.29 15-cis-phytoene + acceptor
-
 Myxococcus xanthus all-trans-phytofluene + reduced acceptor
-
 ?
1.3.99.29 all-trans-phytofluene + acceptor
-
 Myxococcus xanthus all-trans-zeta-carotene + reduced acceptor
-
 ?
1.3.99.29 additional information in vitro Crtla also catalyzes the converion of cis-zeta-carotene into neurosporene. No activity with trans-neurosporene Myxococcus xanthus ?
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.3.99.26 Crtlb
-
 Myxococcus xanthus
1.3.99.29 Crtla
-
 Myxococcus xanthus

General Information

EC Number General Information Comment Organism
1.3.99.29 malfunction Crtla deletion mutant, absence of CrtIa blocks the synthesis of colored carotenoids, indicating an early role in carotenogenesis Myxococcus xanthus