The enzyme glucarate dehydratase (EC 4.2.1.40) catalyzes the chemical reaction
D-glucarate ⇌ {\displaystyle \rightleftharpoons } 5-dehydro-4-deoxy-D-glucarate + H2O This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. The systematic name of this enzyme class is D-glucarate hydro-lyase (5-dehydro-4-deoxy-D-glucarate-forming). Other names in common use include D-glucarate dehydratase, and D-glucarate hydro-lyase. This enzyme participates in ascorbate and aldarate metabolism.
Structural studies As of late 2007, 7 structures have been solved for this class of enzymes, with PDB accession codes PDB: 1BQG, PDB: 1EC7, PDB: 1EC8, PDB: 1EC9, PDB: 1ECQ, PDB: 1JCT, and PDB: 1JDF.
References
Blumenthal HJ (1966). "D-glucarate dehydrase". Carbohydrate Metabolism. Methods Enzymol. Vol. 9. pp. 660–665. doi:10.1016/0076-6879(66)09134-1. ISBN 978-0-12-181809-8.


