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Literature summary extracted from

  • Kruegel, H.; Krubasik, P.; Weber, K.; Saluz, H.; Sandmann, G.
    Functional analysis of genes from Streptomyces griseus involved in the synthesis of isorenieratene, a carotenoid with aromatic end groups, revealed a novel type of carotenoid desaturase (1999), Biochim. Biophys. Acta, 1439, 57-64 .
    View publication on PubMed

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.3.99.39 beta-carotene + 2 acceptor Streptomyces griseus
-
 beta-isorenieratene + 2 reduced acceptor
-
 ?
1.3.99.39 beta-isorenieratene + 2 acceptor Streptomyces griseus
-
 isorenieratene + 2 reduced acceptor
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.3.99.39 Streptomyces griseus
-
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.3.99.39 beta-carotene + 2 acceptor
-
 Streptomyces griseus beta-isorenieratene + 2 reduced acceptor
-
 ?
1.3.99.39 beta-isorenieratene + 2 acceptor
-
 Streptomyces griseus isorenieratene + 2 reduced acceptor
-
 ?
1.3.99.39 additional information enzyme is responsible for the conversion of beta-carotene via beta-isorenieratene to isorenieratene by a desaturation/methyltransferation mechanism. Upon introduction of two additional double bonds leading to amortization of the ionone ring, one of the methyl groups of C-1 (and also 1' at the other side) is lost and transferred to position 2 Streptomyces griseus ?
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.3.99.39 crtU
-
 Streptomyces griseus