Raffinose—raffinose alpha-galactosyltransferase

In enzymology, a raffinose-raffinose alpha-galactosyltransferase (EC 2.4.1.166) is an enzyme that catalyzes the chemical reaction

2 raffinose 1F-alpha-D-galactosylraffinose + sucrose
raffinose-raffinose alpha-galactotransferase
Identifiers
EC no.2.4.1.166
CAS no.93389-38-9
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
Search
PMCarticles
PubMedarticles
NCBIproteins

Hence, this enzyme has one substrate, raffinose, and two products, 1F-alpha-D-galactosylraffinose and sucrose.

This enzyme belongs to the family of glycosyltransferases, to be specific the hexosyltransferases. The systematic name of this enzyme class is raffinose:raffinose alpha-D-galactosyltransferase. Other names in common use include raffinose (raffinose donor) galactosyltransferase, raffinose:raffinose alpha-galactosyltransferase, and raffinose-raffinose alpha-galactotransferase.

References

    • Hopf H, Gruber G, Zinn A, Kandler O (1984). "Physiology and biosynthesis of lychnose in Cerastium arvense". Planta. 162: 283–288. doi:10.1007/BF00397451. PMID 24253101.


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