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4.5.1.3: dichloromethane dehalogenase

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

Word Map on EC 4.5.1.3

Reaction

Dichloromethane
+
H2O
=
formaldehyde
+ 2 chloride

Synonyms

DCM dehalogenase, DcmA, dcmAa, DehalA, dehalogenase, dichloromethane, dichloromethane chloride-lyase, dichloromethane dehalogenase

ECTree

     4 Lyases
         4.5 Carbon-halide lyases
             4.5.1 Carbon-halide lyases (only sub-subclass identified to date)
                4.5.1.3 dichloromethane dehalogenase

Engineering

Engineering on EC 4.5.1.3 - dichloromethane dehalogenase

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PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
H8F
little effect on the activity, but slower turnover of dibromomethane than wild-type
H8L
little effect on the activity, but slower turnover of dibromomethane than wild-type
H8Y
little effect on the activity, but slower turnover of dibromomethane than wild-type
S12A
drastically reduced activity
S12T
drastically reduced activity
V18A
lower affinity for GSH and slower turnover of dichlormethane than wild-type
V18I
lower affinity for GSH and slower turnover of dichlormethane than wild-type
V18T
lower affinity for GSH and slower turnover of dichlormethane than wild-type
W117Y
higher KM and lower specific activity for all tested substrates, better heat stability than wild-type
Y6A
little effect on the activity
Y6F
little effect on the activity
H8F
-
little effect on the activity, but slower turnover of dibromomethane than wild-type
-
H8L
-
little effect on the activity, but slower turnover of dibromomethane than wild-type
-
S12A
-
drastically reduced activity
-
V18A
-
lower affinity for GSH and slower turnover of dichlormethane than wild-type
-
V18I
-
lower affinity for GSH and slower turnover of dichlormethane than wild-type
-
V18T
-
lower affinity for GSH and slower turnover of dichlormethane than wild-type
-
W117Y
-
higher KM and lower specific activity for all tested substrates, better heat stability than wild-type
-
Y6A
-
little effect on the activity
-
Y6F
-
little effect on the activity
-
additional information