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4.2.3.95: (-)-alpha-cuprenene synthase

This is an abbreviated version!
For detailed information about (-)-alpha-cuprenene synthase, go to the full flat file.

Reaction

(2E,6E)-farnesyl diphosphate
=
(-)-alpha-cuprenene
+
diphosphate

Synonyms

(-)-alpha-cuprenene synthase, Cop6

ECTree

     4 Lyases
         4.2 Carbon-oxygen lyases
             4.2.3 Acting on phosphates
                4.2.3.95 (-)-alpha-cuprenene synthase

Engineering

Engineering on EC 4.2.3.95 - (-)-alpha-cuprenene synthase

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PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
C236A
-
the mutant produces 96% (-)-alpha-cuprenene, 3% gamma-cuprenene and 1% sesquiterpene products from (2E,6E)-farnesyl diphosphate (41.2% of wild type activity)
E237L
-
the mutant produces 96% (-)-alpha-cuprenene, 3% gamma-cuprenene and 1% unidentified sesquiterpene products from (2E,6E)-farnesyl diphosphate (59.4% of wild type activity)
N224D
-
the mutant makes a small amount of (6S)-beta-bisabolene (18%) from (2Z,6E)-farnesyl diphosphate, the mutation does not affect the product profile of Cop6 with its normal substrate (2E,6E)-farnesyl diphosphate
N240L
-
the mutant produces 98% (-)-alpha-cuprenene and 2% gamma-cuprenene from (2E,6E)-farnesyl diphosphate (31% of wild type activity)
additional information
-
in the Cop6 loop graft mutant Cop6L4, loop replacement has no influence on the selectivity of the enzyme for alpha-cuprenene, the mutation reduces the catalytic efficiency 3-17fold