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1.1.3.7: aryl-alcohol oxidase

This is an abbreviated version!
For detailed information about aryl-alcohol oxidase, go to the full flat file.

Word Map on EC 1.1.3.7

Reaction

an aromatic primary alcohol
+
O2
=
an aromatic aldehyde
 +
H2O2

Synonyms

AAO, AAO2, AAOx, alcohol: O2 oxidoreductase, AOX, arom. alcohol oxidase, aryl alcohol oxidase, arylalcohol oxidase, CpSAO, CtSAO, GaoB, GLRG_02805, GMC oxidoreductase-like protein, HMFO, More, MtGloA, MYCTH_2299749, oxidase, aryl alcohol, salicyl alcohol oxidase, um04044, VAO, veratryl alcohol oxidase

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.3 With oxygen as acceptor
                1.1.3.7 aryl-alcohol oxidase

pH Range

pH Range on EC 1.1.3.7 - aryl-alcohol oxidase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
10
5% residual activity
3 - 7
the enzyme shows more than 90% of maximal activity, measured at pH 5.0, in the pH range between pH 4 and pH 6 and more than 80% between pH 3 and pH 7
3 - 9
3.5 - 8
-
pH 3.5: about 70% of maximal activity, pH 8.0: about 65% of maximal activity
4 - 7
-
the enzyme displays over 63% of its activity in the pH range of 4.0-7.0. A further increase of these pH values decreases the relative activity to 17%
4 - 9
AAO shows no pH dependence of kcat or catalytic efficiency for the substrates analyzed, AAO is unstable above pH 9.0
5 - 10
5.3 - 7.3
-
pH 5.3: about 90% of maximal activity, pH 7.3: 35% of maximal activity
5.5
50% of the activity at pH 7.0, substrate 5-hydroxymethylfurfural
6 - 10
-
more than 65% of maximum activity
9
-
complete loss of activity