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1.14.13.84: 4-hydroxyacetophenone monooxygenase

This is an abbreviated version!
For detailed information about 4-hydroxyacetophenone monooxygenase, go to the full flat file.

Word Map on EC 1.14.13.84

Reaction

(4-hydroxyphenyl)ethan-1-one
+
NADPH
+
H+
+
O2
=
4-hydroxyphenyl acetate
+
NADP+
+
H2O

Synonyms

4-hydroxyacetophenone monooxygenase, arylketone monooxygenase, Baeyer-Villiger monooxygenase, hAPA, HAPMO, More, oxygenase, 4-hydroxyacetophenone mono-

ECTree

     1 Oxidoreductases
         1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
             1.14.13 With NADH or NADPH as one donor, and incorporation of one atom of oxygen into the other donor
                1.14.13.84 4-hydroxyacetophenone monooxygenase

Engineering

Engineering on EC 1.14.13.84 - 4-hydroxyacetophenone monooxygenase

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PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
G490A
strictly conserved glycine, dramatic effect of mutation on binding and oxidation of NADPH
H61T
-
the H61T mutant is purified as apo-enzyme and mainly exists as a dimeric species, the binding of FAD to the enzyme restores the octameric conformation
K439A
-
mutant with 100fold decrease in catalytic efficiency with NADPH, mainly caused by increased Km, 4fold increased efficiency with NADH
K439F
-
mutant with higher activity with NADH compared to wild-type HAPMO
K439N
-
mutant with higher activity with NADH compared to wild-type HAPMO
K439P
-
mutant with higher activity with NADH compared to wild-type HAPMO
R339A
R440A
G490A
-
strictly conserved glycine, dramatic effect of mutation on binding and oxidation of NADPH
-
H61T
-
the H61T mutant is purified as apo-enzyme and mainly exists as a dimeric species, the binding of FAD to the enzyme restores the octameric conformation
-
K439A
-
mutant with 100fold decrease in catalytic efficiency with NADPH, mainly caused by increased Km, 4fold increased efficiency with NADH
-
K439F
-
mutant with higher activity with NADH compared to wild-type HAPMO
-
K439N
-
mutant with higher activity with NADH compared to wild-type HAPMO
-
R339A
R440A