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5.5.1.27: D-galactarolactone cycloisomerase

This is an abbreviated version!
For detailed information about D-galactarolactone cycloisomerase, go to the full flat file.

Word Map on EC 5.5.1.27

Reaction

D-galactaro-1,4-lactone
=
5-dehydro-4-deoxy-D-glucarate

Synonyms

galactarolactone cycloisomerase, GCI

ECTree

     5 Isomerases
         5.5 Intramolecular lyases
             5.5.1 Intramolecular lyases (only sub-subclass identified to date)
                5.5.1.27 D-galactarolactone cycloisomerase

Systematic Name

Systematic Name on EC 5.5.1.27 - D-galactarolactone cycloisomerase

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SYSTEMATIC NAME
IUBMB Comments
D-galactaro-1,4-lactone lyase (ring-opening)
The enzyme, characterized from the bacterium Agrobacterium fabrum strain C58, is involved in degradation of D-galacturonate and D-glucuronate. Activity with D-galactaro-1,4-lactone is 4-fold higher than with D-glucaro-1,4-lactone.