Torulene dioxygenase (EC 1.13.11.59, CAO-2, CarT) is an enzyme with systematic name torulene:oxygen oxidoreductase.[1][2][3] This enzyme catalyses the following chemical reaction

torulene + O2 4'-apo-beta, psi-caroten-4'-al + 3-methylbut-2-enal

It is assumed that 3-methylbut-2-enal is formed.

References

  1. ^ Prado-Cabrero A, Estrada AF, Al-Babili S, Avalos J (April 2007). "Identification and biochemical characterization of a novel carotenoid oxygenase: elucidation of the cleavage step in the Fusarium carotenoid pathway". Molecular Microbiology. 64 (2): 448–60. doi:10.1111/j.1365-2958.2007.05665.x. PMID 17493127.
  2. ^ Saelices L, Youssar L, Holdermann I, Al-Babili S, Avalos J (November 2007). "Identification of the gene responsible for torulene cleavage in the Neurospora carotenoid pathway". Molecular Genetics and Genomics. 278 (5): 527–37. doi:10.1007/s00438-007-0269-2. PMID 17610084.
  3. ^ Estrada AF, Maier D, Scherzinger D, Avalos J, Al-Babili S (November 2008). "Novel apocarotenoid intermediates in Neurospora crassa mutants imply a new biosynthetic reaction sequence leading to neurosporaxanthin formation". Fungal Genetics and Biology. 45 (11): 1497–505. doi:10.1016/j.fgb.2008.09.001. PMID 18812228.
Allikas: https://en.wikipedia.org/wiki/Torulene_dioxygenase
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