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4.1.2.45: trans-o-hydroxybenzylidenepyruvate hydratase-aldolase

This is an abbreviated version!
For detailed information about trans-o-hydroxybenzylidenepyruvate hydratase-aldolase, go to the full flat file.

Word Map on EC 4.1.2.45

Reaction

(3E)-4-(2-hydroxyphenyl)-2-oxobut-3-enoate
+
H2O
=
Salicylaldehyde
+
pyruvate

Synonyms

2'-hydroxybenzalpyruvate aldolase, fHBP HA A, fHBP HA B, nsaE, o-tHBPA hydratase-aldolase, tHBP-HA, tHBPA hydratase-aldolase, trans-o-hydroxybenzylidenepyruvate hydratase-aldolase

ECTree

     4 Lyases
         4.1 Carbon-carbon lyases
             4.1.2 Aldehyde-lyases
                4.1.2.45 trans-o-hydroxybenzylidenepyruvate hydratase-aldolase

pH Range

pH Range on EC 4.1.2.45 - trans-o-hydroxybenzylidenepyruvate hydratase-aldolase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
5 - 8
-
the activity is independent of pH between pH 5.5 and 8.0, but above pH 8.0 activity declines rapidly
6 - 9
-
more than 80% of the maximal activity at pH 6.0 and pH 9.0, pH 5.0: 18% of maximal activity, pH 10.0: 14% of maximal activity
6 - 9.5
-
pH 6: about 60% of maximal activity, pH 9.5: about 80% of maximal activity, enzyme form fHBP HA A and enzyme form fHBP HA B