Beta-D-glucopyranosyl abscisate beta-glucosidase

Beta-D-glucopyranosyl abscisate beta-glucosidase (EC 3.2.1.175, AtBG1, ABA-beta-D-glucosidase, ABA-specific beta-glucosidase, ABA-GE hydrolase, beta-D-glucopyranosyl abscisate hydrolase) is an enzyme with systematic name beta-D-glucopyranosyl abscisate glucohydrolase.[1][2][3] This enzyme catalyses the following chemical reaction

D-glucopyranosyl abscisate + H2O D-glucose + abscisate
Beta-D-glucopyranosyl abscisate beta-glucosidase
Identifiers
EC no.3.2.1.175
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Search
PMCarticles
PubMedarticles
NCBIproteins

The enzyme hydrolyzes the biologically inactive beta-D-glucopyranosyl ester of abscisic acid to produce active abscisate.

References
  1. Lee KH, Piao HL, Kim HY, Choi SM, Jiang F, Hartung W, Hwang I, Kwak JM, Lee IJ, Hwang I (September 2006). "Activation of glucosidase via stress-induced polymerization rapidly increases active pools of abscisic acid". Cell. 126 (6): 1109–20. doi:10.1016/j.cell.2006.07.034. PMID 16990135.
  2. Kato-Noguchi H, Tanaka Y (May 2008). "Effect of ABA-beta-D-glucopyranosyl ester and activity of ABA-beta-D-glucosidase in Arabidopsis thaliana". Journal of Plant Physiology. 165 (7): 788–90. doi:10.1016/j.jplph.2007.04.005. PMID 17923167.
  3. Dietz KJ, Sauter A, Wichert K, Messdaghi D, Hartung W (May 2000). "Extracellular beta-glucosidase activity in barley involved in the hydrolysis of ABA glucose conjugate in leaves". Journal of Experimental Botany. 51 (346): 937–44. doi:10.1093/jexbot/51.346.937. PMID 10948220.


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