In enzymology, a leucocyanidin oxygenase (EC 1.14.11.19) is an enzyme that catalyzes the chemical reaction leucocyanidin + 2-oxoglutarate + O2 cis- and trans-dihydroquercetins + succinate + CO2 + 2 H2O The 3 substrates of this enzyme are leucocyanidin, 2-oxoglutarate, and O2, whereas its 5 products are , trans-dihydroquercetin, succinate, CO2, and H2O. In a broader way, leucocyanidin oxygenase uses flavan-3,4-diols (leucoanthocyanidins) to produce 3-hydroxyanthocyanidins. The gene encoding the enzyme (PpLDOX) has been identified in peach and expression has been studied in Vitis vinifera.
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| - Leucocianidina ossigenasi (it)
- Leucocyanidin oxygenase (en)
- ロイコシアニジンオキシゲナーゼ (ja)
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| - La leucocianidina ossigenasi è un enzima appartenente alla classe delle ossidoreduttasi, che catalizza la seguente reazione: leucocianidina + 2-ossoglutarato + O2 ⇄ cis-e trans-diidroquercetina + succinato + CO2 + 2 H2O L'enzima richiede Fe(II) ed ascorbato. È coinvolto nella via attraverso la quale molte piante da fiore producono l'antocianina (antocianidina glicosilata). Gli intermedi sono trasformati in cis- e trans-diidroquercetina, che l'enzima è in grado di ossidare a quercetina. L' del prodotto genera l'antocianidina, che comunque potrebbe non essere il naturale delle antocianidine. (it)
- ロイコシアニジンオキシゲナーゼ(leucocyanidin oxygenase)は、フラボノイド生合成酵素の一つで、次の化学反応を触媒する酸化還元酵素である。 ロイコシアニジン + 2-オキソグルタル酸 + O2 cis- and trans-ジヒドロクェルセチン + コハク酸 + CO2 + 2 H2O 反応式の通り、この酵素の基質はと2-オキソグルタル酸とO2、生成物はまたはtrans-ジヒドロクェルセチン、コハク酸、CO2である。 組織名はleucocyanidin,2-oxoglutarate:oxygen oxidoreductaseで、別名にanthocyanidin synthaseがある。 (ja)
- In enzymology, a leucocyanidin oxygenase (EC 1.14.11.19) is an enzyme that catalyzes the chemical reaction leucocyanidin + 2-oxoglutarate + O2 cis- and trans-dihydroquercetins + succinate + CO2 + 2 H2O The 3 substrates of this enzyme are leucocyanidin, 2-oxoglutarate, and O2, whereas its 5 products are , trans-dihydroquercetin, succinate, CO2, and H2O. In a broader way, leucocyanidin oxygenase uses flavan-3,4-diols (leucoanthocyanidins) to produce 3-hydroxyanthocyanidins. The gene encoding the enzyme (PpLDOX) has been identified in peach and expression has been studied in Vitis vinifera. (en)
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| - leucocyanidin oxygenase (en)
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| - leucocyanidin oxygenase (en)
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| - In enzymology, a leucocyanidin oxygenase (EC 1.14.11.19) is an enzyme that catalyzes the chemical reaction leucocyanidin + 2-oxoglutarate + O2 cis- and trans-dihydroquercetins + succinate + CO2 + 2 H2O The 3 substrates of this enzyme are leucocyanidin, 2-oxoglutarate, and O2, whereas its 5 products are , trans-dihydroquercetin, succinate, CO2, and H2O. This enzyme belongs to the family of oxidoreductases, specifically those acting on paired donors, with O2 as oxidant and incorporation or reduction of oxygen. The oxygen incorporated need not be derived from O2 with 2-oxoglutarate as one donor, and incorporation of one atom o oxygen into each donor. The systematic name of this enzyme class is leucocyanidin,2-oxoglutarate:oxygen oxidoreductase. This enzyme is also called leucoanthocyanidin dioxygenase (LDOX) or anthocyanidin synthase (ANS). This enzyme participates in flavonoid biosynthesis. In a broader way, leucocyanidin oxygenase uses flavan-3,4-diols (leucoanthocyanidins) to produce 3-hydroxyanthocyanidins. The gene encoding the enzyme (PpLDOX) has been identified in peach and expression has been studied in Vitis vinifera. (en)
- La leucocianidina ossigenasi è un enzima appartenente alla classe delle ossidoreduttasi, che catalizza la seguente reazione: leucocianidina + 2-ossoglutarato + O2 ⇄ cis-e trans-diidroquercetina + succinato + CO2 + 2 H2O L'enzima richiede Fe(II) ed ascorbato. È coinvolto nella via attraverso la quale molte piante da fiore producono l'antocianina (antocianidina glicosilata). Gli intermedi sono trasformati in cis- e trans-diidroquercetina, che l'enzima è in grado di ossidare a quercetina. L' del prodotto genera l'antocianidina, che comunque potrebbe non essere il naturale delle antocianidine. (it)
- ロイコシアニジンオキシゲナーゼ(leucocyanidin oxygenase)は、フラボノイド生合成酵素の一つで、次の化学反応を触媒する酸化還元酵素である。 ロイコシアニジン + 2-オキソグルタル酸 + O2 cis- and trans-ジヒドロクェルセチン + コハク酸 + CO2 + 2 H2O 反応式の通り、この酵素の基質はと2-オキソグルタル酸とO2、生成物はまたはtrans-ジヒドロクェルセチン、コハク酸、CO2である。 組織名はleucocyanidin,2-oxoglutarate:oxygen oxidoreductaseで、別名にanthocyanidin synthaseがある。 (ja)
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