Sinapine esterase

In enzymology, a sinapine esterase (EC 3.1.1.49) is an enzyme that catalyzes the chemical reaction

sinapoylcholine + H2O sinapate + choline
sinapine esterase
Identifiers
EC number3.1.1.49
CAS number72506-67-3
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

Thus, the two substrates of this enzyme are sinapoylcholine and H2O, whereas its two products are sinapate and choline.

This enzyme belongs to the family of hydrolases, specifically those acting on carboxylic ester bonds. The systematic name of this enzyme class is sinapoylcholine sinapohydrolase. This enzyme is also called aromatic choline esterase. This enzyme participates in phenylpropanoid biosynthesis.

References

    • Nurmann G, Strack D (1979). "Sinapine esterase. 1. Characterization of sinapine esterase from cotyledons of Raphanus sativus". Z. Naturforsch. C: Biosci. 34: 715–720.


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