beta-carotene 15,15′-dioxygenase EC#: 1.13.11.63; 凯望编码 (ChemWhat Code): 1374993

英文名 beta-carotene 15,15′-dioxygenase
Example Structure Example Structure of beta-carotene 15,15'-dioxygenase EC#: 1.13.11.63
别名 BC-15,15′-oxygenase, BCM, BCMO, Bcmo1, Bcmo2, BCO, BCO1, BCO2, Bcox, beta,beta-carotene 15,15′-mono-oxygenase 1, beta,beta-carotene 15,15′-monooxygenase, beta,beta-carotene 15,15′-monooxygenase 1, beta,beta-carotene 15,15′-monooxygenase-1, beta,beta-carotene 15,15-monooxygenase 1, beta,beta-carotene-15,15′-monooxygenase, beta,beta-carotene-15,15′-oxygenase, beta-carotene 15,15′ oxygenase, beta-carotene 15,15′-monooxygenase, beta-carotene 15,15′-monooxygenase 1, beta-carotene 15,15′-oxygenase, beta-carotene 15,15-monooxygenase, beta-carotene dioxygenase 1, beta-carotene oxygenase 2, beta-carotene-15,15′-dioxygenase, beta-carotene-15,15′-monooxygenase, beta-carotene-15,15′-oxygenase, beta-carotene-15,15′-oxygenase-1, beta-carotene-15,15′-oxygenase-2, beta-CD, betaCDIOX, betaCO, BLH, brp/blh-family beta-carotene monooxygenase, brpA, carotenoid oxygenase, Ci-BCO, CMO1, NinaB
EC Number 1.13.11.63
CAS编号
Comments Requires Fe2+. The enzyme cleaves ¦Â-carotene symmetrically, producing two molecules of all-trans-retinal. Both atoms of the oxygen molecule are incorporated into the products [8]. The enzyme can also process ¦Â-cryptoxanthin, 8′-apo-¦Â-carotenal, 4′-apo-¦Â-carotenal, ¦Á-carotene and ¦Ã-carotene in decreasing order. The presence of at least one unsubstituted ¦Â-ionone ring in a substrate greater than C30 is mandatory [5]. A prokaryotic enzyme has been reported from the uncultured marine bacterium 66A03, where it is involved in the proteorhodopsin system, which uses retinal as its chromophore [6,7].
Cofactor Fe cation
History
Reactions Beta-carotene + O(2) = 2 all-trans-retinal.

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