Biology:Sinapoylglucose—choline O-sinapoyltransferase

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Sinapoylglucose-choline O-sinapoyltransferase
Identifiers
EC number2.3.1.91
CAS number85205-00-1
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

Sinapoylglucose---choline O-sinapoyltransferase (EC 2.3.1.91) is an enzyme that catalyzes the chemical reaction

  1. REDIRECT Template:Chemical reaction

This is the final step in the biosynthesis of sinapine. The enzyme characterised from Raphanus sativus and Sinapis alba converts 1-O-sinapoyl-beta-D-glucose and choline to the product.[1] It is also found in Brassica napus[2]

This enzyme belongs to the family of transferases, specifically those acyltransferases transferring groups other than aminoacyl groups. The systematic name of this enzyme class is 1-O-(4-hydroxy-3,5-dimethoxycinnamoyl)-beta-D-glucose:choline 1-O-(4-hydroxy-3,5-dimethoxycinnamoyl)transferase. This enzyme is also called sinapine synthase.[3]

References

  1. ↑ Gräwe, Walter; Strack, Dieter (1986). "Partial Purification and Some Properties of 1-Sinapoylglucose: Choline Sinapoyltransferase ("Sinapine Synthase") from Seeds of Raphanus sativus L. and Sinapis alba L". Zeitschrift für Naturforschung C 41 (1–2): 28–33. doi:10.1515/znc-1986-1-206. 
  2. ↑ Vogt, T.; Aebershold, R.; Ellis, B. (1993). "Purification and Characterization of Sinapine Synthase from Seeds of Brassica napus". Archives of Biochemistry and Biophysics 300 (2): 622–628. doi:10.1006/abbi.1993.1086. PMID 8382030. 
  3. ↑ Enzyme 2.3.1.91 at KEGG Pathway Database.