1.10.3.4: o-aminophenol oxidase

This is an abbreviated version, for detailed information about o-aminophenol oxidase, go to the full flat file.

Reaction

4 2-aminophenol + 3 O2 = 2 2-aminophenoxazin-3-one + 6 H2O

Synonyms

2-aminophenol:oxygen oxidoreductase, esophenoxazine synthase, GriF, isophenoxazine synthase, o-aminophenol oxidase, o-aminophenol:O2 oxidoreductase, oxidase, o-aminophenol, phenoxazinone synthase, PHS, PhsA

ECTree

     1 Oxidoreductases
         1.10 Acting on diphenols and related substances as donors
             1.10.3 With oxygen as acceptor
                1.10.3.4 o-aminophenol oxidase

Temperature Stability

Temperature Stability on EC 1.10.3.4 - o-aminophenol oxidase

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TEMPERATURE STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
55
-
the enzyme remains active below 55C at pH 7.0 for 20 min at various temperatures
60
-
the native enzyme loses about 90% of its activity whereas the enzyme on nanogel loses about 50% of its activity after 2 h preincubation at 60C