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1.14.14.9: 4-hydroxyphenylacetate 3-monooxygenase

This is an abbreviated version!
For detailed information about 4-hydroxyphenylacetate 3-monooxygenase, go to the full flat file.

Word Map on EC 1.14.14.9

Reaction

4-hydroxyphenylacetate
+
FADH2
+
O2
=
3,4-Dihydroxyphenylacetate
+
FAD
+
H2O

Synonyms

4 HPA 3-hydroxyylase, 4-HPA hydroxylase, 4-hydroxyphenylacetate 3-hydroxylase, 4-hydroxyphenylacetic acid 3-hydroxylase, 4HPA 3-monooxygenase, 4HPA3H, C2-hpah, EC 1.14.13.3, HPA 3-hydroxylase, HpaB, hpaBC, HpaC, HPAH, More, p-hydroxyphenylacetate 3-hydroxylase, p-hydroxyphenylacetate hydroxylase, p-hydroxyphenylacetic 3-hydroxylase, TPY_2462, two-component p-hydroxyphenylacetate hydroxylase

ECTree

     1 Oxidoreductases
         1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
             1.14.14 With reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen into the other donor
                1.14.14.9 4-hydroxyphenylacetate 3-monooxygenase

Purification

Purification on EC 1.14.14.9 - 4-hydroxyphenylacetate 3-monooxygenase

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PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
affinity chromatography, gel filtration
-
ammonium sulfate precipitation, DEAE-Sepharose column chromatography, phenyl Sepharose column chromatography, and G-25 gel filtration
-
ammonium sulfate precipitation, gel filtration, affinity chromatography
-
ammonium sulfate precipitation, ion exchange
-
ammonium sulfate precipitation, ion-exchange, gel filtration
-
ammonium sulfate precipitation, ion-exchange, gel filtration. Affinity chromatography for the expressed cholin-binding domain containing HpaB protein
-
difficult because of the low stability of the enzyme in solution
-
from membranes by solubilization with 0.1% Triton X-100, anion exchange chromatography, dialysis, exchange of detergent to dodecyl-beta-D-maltoside, another ion exchange chromatography, and gel filtration, further purification of HpaB by repetitive crystallization, method overview
protamine sulfate and ammonium sulfate
-
protamine sulfate precipitation, ion-exchange, gel filtration
-
recombinant enzyme components C1 and C2 from Escherichia coli strain BL21(DE3), C1 4.0fold, C2 1.81fold
recombinant enzyme from Escherichia coli strain DH5alpha by affinity chromatography on a 4-hydroxyphenylacetate-coupled amino-agarose column to near homogeneity
ultracentrifugation, ammonium sulfate precipitation
-