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4.2.1.31: maleate hydratase

This is an abbreviated version!
For detailed information about maleate hydratase, go to the full flat file.

Word Map on EC 4.2.1.31

Reaction

(R)-malate
=
Maleate
+
H2O

Synonyms

D-malate hydro-lyase, HbzIJ, malease, maleic-acid hydratase

ECTree

     4 Lyases
         4.2 Carbon-oxygen lyases
             4.2.1 Hydro-lyases
                4.2.1.31 maleate hydratase

Substrates Products

Substrates Products on EC 4.2.1.31 - maleate hydratase

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SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
2,3-dimethylmaleate
?
show the reaction diagram
-
0.8% of turnover of maleate, equlibrium constant: 11.2
-
-
?
bromomaleate
(-)-erythro((2S, 3S)-3-)-bromomalate
show the reaction diagram
chloromaleate
(-)-erythro((2S, 3S)-3-)-chloromalate
show the reaction diagram
citraconate
D-citramalate
show the reaction diagram
DL-malate
maleate
show the reaction diagram
-
16-25% of turnover in opposite direction
-
?
maleate
(R)-malate
show the reaction diagram
maleate
?
show the reaction diagram
maleate + H2O
(R)-malate
show the reaction diagram
maleic acid + H2O
(R)-malic acid
show the reaction diagram
-
-
-
-
?
additional information
?
-
-
maleate counterion greatly affects enzyme activity and solute substrate concentration, Ca2+ at 750 mM optimal, followed by Mg2+
-
-
?