vinorine hydroxylase

Identifiers
EC number| 1.14.14.104
CAS number| 162875-03-8
Databases
IntEnz| IntEnz view
BRENDA| BRENDA entry
ExPASy| NiceZyme view
KEGG| KEGG entry
MetaCyc| metabolic pathway
PRIAM| profile
PDB structures| RCSB PDB PDBe PDBsum
Gene Ontology| AmiGO  / QuickGO
| Search

PMC| articles
PubMed| articles
NCBI| proteins

In enzymology, a vinorine hydroxylase (EC 1.14.14.104, Formerly EC 1.14.13.75) is an enzyme that catalyzes the chemical reaction

vinorine + NADPH + H+ \+ O2 ⇌ vomilenine + NADP+ \+ H2O

The 4 substrates of this enzyme are vinorine, NADPH, H+, and O2, whereas its 3 products are vomilenine, NADP+, 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 NADH or NADPH as one donor, and incorporation of one atom o oxygen into the other donor. The systematic name of this enzyme class is vinorine,NADPH:oxygen oxidoreductase (21alpha-hydroxylating). This enzyme participates in indole and ipecac alkaloid biosynthesis.

## References

* "Enzymatic biosynthesis of vomilenine, a key intermediate of the ajmaline pathway, catalysed by a novel cytochrome P-450-dependent enzyme from plant cell cultures of Rauwolfia serpentina". Z. Naturforsch. C: Biosci. 50: 45-53. 1995.

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Oxidoreductases: dioxygenases, including steroid hydroxylases (EC 1.14)

1.14.11: 2-oxoglutarate|

* Prolyl hydroxylase
* HIF prolyl-hydroxylase
* EGLN1
* EGLN2
* EGLN3
* P4HTM
* Lysyl hydroxylase

1.14.13: NADH or NADPH|

* Flavin-containing monooxygenase
* FMO1
* FMO2
* FMO3
* FMO4
* FMO5
* Nitric oxide synthase
* NOS1
* NOS2
* NOS3
* Cholesterol 7 alpha-hydroxylase
* Methane monooxygenase
* 3A4
* Lanosterol 14 alpha-demethylase
* 24-hydroxycholesterol 7α-hydroxylase

1.14.14: reduced flavin or flavoprotein|

* 19A1
* 2D6
* 2E1

1.14.15: reduced iron-sulfur protein|

* 11B1
* 11B2
* 11A1

1.14.16: reduced pteridine (BH4 dependent)|

* Phenylalanine hydroxylase
* Tyrosine hydroxylase
* Tryptophan hydroxylase

1.14.17: reduced ascorbate|

* Dopamine beta-hydroxylase

1.14.18-19: other|

* Tyrosinase
* Stearoyl-CoA desaturase-1

1.14.99 \- miscellaneous|

* Cyclooxygenase
* Heme oxygenase (HMOX1)
* Squalene monooxygenase
* 17A1
* 21A2
* Ecdysone 20-monooxygenase

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Enzymes

Activity|

* Active site
* Binding site
* Catalytic triad
* Oxyanion hole
* Enzyme promiscuity
* Catalytically perfect enzyme
* Coenzyme
* Cofactor
* Enzyme catalysis

Regulation|

* Allosteric regulation
* Cooperativity
* Enzyme inhibitor
* Enzyme activator

Classification|

* EC number
* Enzyme superfamily
* Enzyme family
* List of enzymes

Kinetics|

* Enzyme kinetics
* Eadie–Hofstee diagram
* Hanes–Woolf plot
* Lineweaver–Burk plot
* Michaelis–Menten kinetics

Types|

* EC1 Oxidoreductases (list)
* EC2 Transferases (list)
* EC3 Hydrolases (list)
* EC4 Lyases (list)
* EC5 Isomerases (list)
* EC6 Ligases (list)
* EC7 Translocases (list)

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Original source: https://en.wikipedia.org/wiki/Vinorine hydroxylase. Read more

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